2*sin(x)^(2)-2*sin(2*x)+5*sin((3*pi/2)-x)^(2)+2=0 la ecuación
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Solución
Gráfica
0 -80 -60 -40 -20 20 40 60 80 -100 100 0 10
/ ___ \
|44 + 16*\/ 6 |
atan|--------------| / / ___________________\\
| ___| | | / ___ ||
pi \-33 - 12*\/ 6 / |log(25) log\\/ 5425 + 2200*\/ 6 /|
x1 = -- + -------------------- + I*|------- - ---------------------------|
2 2 \ 2 2 /
x 1 = atan ( 16 6 + 44 − 33 − 12 6 ) 2 + π 2 + i ( − log ( 2200 6 + 5425 ) 2 + log ( 25 ) 2 ) x_{1} = \frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} + \frac{\pi}{2} + i \left(- \frac{\log{\left(\sqrt{2200 \sqrt{6} + 5425} \right)}}{2} + \frac{\log{\left(25 \right)}}{2}\right) x 1 = 2 atan ( − 33 − 12 6 16 6 + 44 ) + 2 π + i − 2 log ( 2200 6 + 5425 ) + 2 log ( 25 )
/ ___ \
|44 - 16*\/ 6 |
atan|--------------| / / ___________________\\
| ___| | | / ___ ||
pi \-33 + 12*\/ 6 / |log(25) log\\/ 5425 - 2200*\/ 6 /|
x2 = -- + -------------------- + I*|------- - ---------------------------|
2 2 \ 2 2 /
x 2 = atan ( 44 − 16 6 − 33 + 12 6 ) 2 + π 2 + i ( − log ( 5425 − 2200 6 ) 2 + log ( 25 ) 2 ) x_{2} = \frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} + \frac{\pi}{2} + i \left(- \frac{\log{\left(\sqrt{5425 - 2200 \sqrt{6}} \right)}}{2} + \frac{\log{\left(25 \right)}}{2}\right) x 2 = 2 atan ( − 33 + 12 6 44 − 16 6 ) + 2 π + i − 2 log ( 5425 − 2200 6 ) + 2 log ( 25 )
/ / / ___ \\\
| | |44 + 16*\/ 6 |||
| |atan|--------------|||
| | | ___|||
| | \-33 - 12*\/ 6 /|| / ___________________\
|cos|--------------------|| |4 / ___ |
| \ 2 /| |\/ 5425 + 2200*\/ 6 |
x3 = -pi - atan|-------------------------| - I*log|----------------------|
| / / ___ \\| \ 5 /
| | |44 + 16*\/ 6 |||
| |atan|--------------|||
| | | ___|||
| | \-33 - 12*\/ 6 /||
|sin|--------------------||
\ \ 2 //
x 3 = − π − atan ( cos ( atan ( 16 6 + 44 − 33 − 12 6 ) 2 ) sin ( atan ( 16 6 + 44 − 33 − 12 6 ) 2 ) ) − i log ( 2200 6 + 5425 4 5 ) x_{3} = - \pi - \operatorname{atan}{\left(\frac{\cos{\left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} \right)}}{\sin{\left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} \right)}} \right)} - i \log{\left(\frac{\sqrt[4]{2200 \sqrt{6} + 5425}}{5} \right)} x 3 = − π − atan sin ( 2 atan ( − 33 − 12 6 16 6 + 44 ) ) cos ( 2 atan ( − 33 − 12 6 16 6 + 44 ) ) − i log ( 5 4 2200 6 + 5425 )
/ / / ___ \\\
| | |44 - 16*\/ 6 |||
| |atan|--------------|||
| | | ___|||
| | \-33 + 12*\/ 6 /|| / ___________________\
|cos|--------------------|| |4 / ___ |
| \ 2 /| |\/ 5425 - 2200*\/ 6 |
x4 = -pi - atan|-------------------------| - I*log|----------------------|
| / / ___ \\| \ 5 /
| | |44 - 16*\/ 6 |||
| |atan|--------------|||
| | | ___|||
| | \-33 + 12*\/ 6 /||
|sin|--------------------||
\ \ 2 //
x 4 = − π − atan ( cos ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 ) sin ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 ) ) − i log ( 5425 − 2200 6 4 5 ) x_{4} = - \pi - \operatorname{atan}{\left(\frac{\cos{\left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} \right)}}{\sin{\left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} \right)}} \right)} - i \log{\left(\frac{\sqrt[4]{5425 - 2200 \sqrt{6}}}{5} \right)} x 4 = − π − atan sin ( 2 atan ( − 33 + 12 6 44 − 16 6 ) ) cos ( 2 atan ( − 33 + 12 6 44 − 16 6 ) ) − i log ( 5 4 5425 − 2200 6 )
x4 = -pi - atan(cos(atan((44 - 16*sqrt(6))/(-33 + 12*sqrt(6)))/2)/sin(atan((44 - 16*sqrt(6))/(-33 + 12*sqrt(6)))/2)) - i*log((5425 - 2200*sqrt(6))^(1/4)/5)
Suma y producto de raíces
[src]
/ / / ___ \\\ / / / ___ \\\
| | |44 + 16*\/ 6 ||| | | |44 - 16*\/ 6 |||
/ ___ \ / ___ \ | |atan|--------------||| | |atan|--------------|||
|44 + 16*\/ 6 | |44 - 16*\/ 6 | | | | ___||| | | | ___|||
atan|--------------| / / ___________________\\ atan|--------------| / / ___________________\\ | | \-33 - 12*\/ 6 /|| / ___________________\ | | \-33 + 12*\/ 6 /|| / ___________________\
| ___| | | / ___ || | ___| | | / ___ || |cos|--------------------|| |4 / ___ | |cos|--------------------|| |4 / ___ |
pi \-33 - 12*\/ 6 / |log(25) log\\/ 5425 + 2200*\/ 6 /| pi \-33 + 12*\/ 6 / |log(25) log\\/ 5425 - 2200*\/ 6 /| | \ 2 /| |\/ 5425 + 2200*\/ 6 | | \ 2 /| |\/ 5425 - 2200*\/ 6 |
-- + -------------------- + I*|------- - ---------------------------| + -- + -------------------- + I*|------- - ---------------------------| + -pi - atan|-------------------------| - I*log|----------------------| + -pi - atan|-------------------------| - I*log|----------------------|
2 2 \ 2 2 / 2 2 \ 2 2 / | / / ___ \\| \ 5 / | / / ___ \\| \ 5 /
| | |44 + 16*\/ 6 ||| | | |44 - 16*\/ 6 |||
| |atan|--------------||| | |atan|--------------|||
| | | ___||| | | | ___|||
| | \-33 - 12*\/ 6 /|| | | \-33 + 12*\/ 6 /||
|sin|--------------------|| |sin|--------------------||
\ \ 2 // \ \ 2 //
( ( − π − atan ( cos ( atan ( 16 6 + 44 − 33 − 12 6 ) 2 ) sin ( atan ( 16 6 + 44 − 33 − 12 6 ) 2 ) ) − i log ( 2200 6 + 5425 4 5 ) ) + ( ( atan ( 16 6 + 44 − 33 − 12 6 ) 2 + π 2 + i ( − log ( 2200 6 + 5425 ) 2 + log ( 25 ) 2 ) ) + ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 + π 2 + i ( − log ( 5425 − 2200 6 ) 2 + log ( 25 ) 2 ) ) ) ) + ( − π − atan ( cos ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 ) sin ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 ) ) − i log ( 5425 − 2200 6 4 5 ) ) \left(\left(- \pi - \operatorname{atan}{\left(\frac{\cos{\left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} \right)}}{\sin{\left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} \right)}} \right)} - i \log{\left(\frac{\sqrt[4]{2200 \sqrt{6} + 5425}}{5} \right)}\right) + \left(\left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} + \frac{\pi}{2} + i \left(- \frac{\log{\left(\sqrt{2200 \sqrt{6} + 5425} \right)}}{2} + \frac{\log{\left(25 \right)}}{2}\right)\right) + \left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} + \frac{\pi}{2} + i \left(- \frac{\log{\left(\sqrt{5425 - 2200 \sqrt{6}} \right)}}{2} + \frac{\log{\left(25 \right)}}{2}\right)\right)\right)\right) + \left(- \pi - \operatorname{atan}{\left(\frac{\cos{\left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} \right)}}{\sin{\left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} \right)}} \right)} - i \log{\left(\frac{\sqrt[4]{5425 - 2200 \sqrt{6}}}{5} \right)}\right) − π − atan sin ( 2 atan ( − 33 − 12 6 16 6 + 44 ) ) cos ( 2 atan ( − 33 − 12 6 16 6 + 44 ) ) − i log ( 5 4 2200 6 + 5425 ) + 2 atan ( − 33 − 12 6 16 6 + 44 ) + 2 π + i − 2 log ( 2200 6 + 5425 ) + 2 log ( 25 ) + 2 atan ( − 33 + 12 6 44 − 16 6 ) + 2 π + i − 2 log ( 5425 − 2200 6 ) + 2 log ( 25 ) + − π − atan sin ( 2 atan ( − 33 + 12 6 44 − 16 6 ) ) cos ( 2 atan ( − 33 + 12 6 44 − 16 6 ) ) − i log ( 5 4 5425 − 2200 6 )
/ / / ___ \\\ / / / ___ \\\
| | |44 + 16*\/ 6 ||| | | |44 - 16*\/ 6 |||
/ ___ \ / ___ \ | |atan|--------------||| | |atan|--------------|||
|44 + 16*\/ 6 | |44 - 16*\/ 6 | | | | ___||| | | | ___|||
atan|--------------| atan|--------------| | | \-33 - 12*\/ 6 /|| | | \-33 + 12*\/ 6 /|| / / ___________________\\ / / ___________________\\ / ___________________\ / ___________________\
| ___| | ___| |cos|--------------------|| |cos|--------------------|| | | / ___ || | | / ___ || |4 / ___ | |4 / ___ |
\-33 - 12*\/ 6 / \-33 + 12*\/ 6 / | \ 2 /| | \ 2 /| |log(25) log\\/ 5425 - 2200*\/ 6 /| |log(25) log\\/ 5425 + 2200*\/ 6 /| |\/ 5425 - 2200*\/ 6 | |\/ 5425 + 2200*\/ 6 |
-------------------- + -------------------- - pi - atan|-------------------------| - atan|-------------------------| + I*|------- - ---------------------------| + I*|------- - ---------------------------| - I*log|----------------------| - I*log|----------------------|
2 2 | / / ___ \\| | / / ___ \\| \ 2 2 / \ 2 2 / \ 5 / \ 5 /
| | |44 + 16*\/ 6 ||| | | |44 - 16*\/ 6 |||
| |atan|--------------||| | |atan|--------------|||
| | | ___||| | | | ___|||
| | \-33 - 12*\/ 6 /|| | | \-33 + 12*\/ 6 /||
|sin|--------------------|| |sin|--------------------||
\ \ 2 // \ \ 2 //
− π + atan ( 16 6 + 44 − 33 − 12 6 ) 2 + atan ( 44 − 16 6 − 33 + 12 6 ) 2 − atan ( cos ( atan ( 16 6 + 44 − 33 − 12 6 ) 2 ) sin ( atan ( 16 6 + 44 − 33 − 12 6 ) 2 ) ) − atan ( cos ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 ) sin ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 ) ) + i ( − log ( 2200 6 + 5425 ) 2 + log ( 25 ) 2 ) − i log ( 2200 6 + 5425 4 5 ) + i ( − log ( 5425 − 2200 6 ) 2 + log ( 25 ) 2 ) − i log ( 5425 − 2200 6 4 5 ) - \pi + \frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} + \frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} - \operatorname{atan}{\left(\frac{\cos{\left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} \right)}}{\sin{\left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} \right)}} \right)} - \operatorname{atan}{\left(\frac{\cos{\left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} \right)}}{\sin{\left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} \right)}} \right)} + i \left(- \frac{\log{\left(\sqrt{2200 \sqrt{6} + 5425} \right)}}{2} + \frac{\log{\left(25 \right)}}{2}\right) - i \log{\left(\frac{\sqrt[4]{2200 \sqrt{6} + 5425}}{5} \right)} + i \left(- \frac{\log{\left(\sqrt{5425 - 2200 \sqrt{6}} \right)}}{2} + \frac{\log{\left(25 \right)}}{2}\right) - i \log{\left(\frac{\sqrt[4]{5425 - 2200 \sqrt{6}}}{5} \right)} − π + 2 atan ( − 33 − 12 6 16 6 + 44 ) + 2 atan ( − 33 + 12 6 44 − 16 6 ) − atan sin ( 2 atan ( − 33 − 12 6 16 6 + 44 ) ) cos ( 2 atan ( − 33 − 12 6 16 6 + 44 ) ) − atan sin ( 2 atan ( − 33 + 12 6 44 − 16 6 ) ) cos ( 2 atan ( − 33 + 12 6 44 − 16 6 ) ) + i − 2 log ( 2200 6 + 5425 ) + 2 log ( 25 ) − i log ( 5 4 2200 6 + 5425 ) + i − 2 log ( 5425 − 2200 6 ) + 2 log ( 25 ) − i log ( 5 4 5425 − 2200 6 )
/ / / / ___ \\\ \ / / / / ___ \\\ \
| | | |44 + 16*\/ 6 ||| | | | | |44 - 16*\/ 6 ||| |
/ / ___ \ \ / / ___ \ \ | | |atan|--------------||| | | | |atan|--------------||| |
| |44 + 16*\/ 6 | | | |44 - 16*\/ 6 | | | | | | ___||| | | | | | ___||| |
| atan|--------------| / / ___________________\\| | atan|--------------| / / ___________________\\| | | | \-33 - 12*\/ 6 /|| / ___________________\| | | | \-33 + 12*\/ 6 /|| / ___________________\|
| | ___| | | / ___ ||| | | ___| | | / ___ ||| | |cos|--------------------|| |4 / ___ || | |cos|--------------------|| |4 / ___ ||
|pi \-33 - 12*\/ 6 / |log(25) log\\/ 5425 + 2200*\/ 6 /|| |pi \-33 + 12*\/ 6 / |log(25) log\\/ 5425 - 2200*\/ 6 /|| | | \ 2 /| |\/ 5425 + 2200*\/ 6 || | | \ 2 /| |\/ 5425 - 2200*\/ 6 ||
|-- + -------------------- + I*|------- - ---------------------------||*|-- + -------------------- + I*|------- - ---------------------------||*|-pi - atan|-------------------------| - I*log|----------------------||*|-pi - atan|-------------------------| - I*log|----------------------||
\2 2 \ 2 2 // \2 2 \ 2 2 // | | / / ___ \\| \ 5 /| | | / / ___ \\| \ 5 /|
| | | |44 + 16*\/ 6 ||| | | | | |44 - 16*\/ 6 ||| |
| | |atan|--------------||| | | | |atan|--------------||| |
| | | | ___||| | | | | | ___||| |
| | | \-33 - 12*\/ 6 /|| | | | | \-33 + 12*\/ 6 /|| |
| |sin|--------------------|| | | |sin|--------------------|| |
\ \ \ 2 // / \ \ \ 2 // /
( atan ( 16 6 + 44 − 33 − 12 6 ) 2 + π 2 + i ( − log ( 2200 6 + 5425 ) 2 + log ( 25 ) 2 ) ) ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 + π 2 + i ( − log ( 5425 − 2200 6 ) 2 + log ( 25 ) 2 ) ) ( − π − atan ( cos ( atan ( 16 6 + 44 − 33 − 12 6 ) 2 ) sin ( atan ( 16 6 + 44 − 33 − 12 6 ) 2 ) ) − i log ( 2200 6 + 5425 4 5 ) ) ( − π − atan ( cos ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 ) sin ( atan ( 44 − 16 6 − 33 + 12 6 ) 2 ) ) − i log ( 5425 − 2200 6 4 5 ) ) \left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} + \frac{\pi}{2} + i \left(- \frac{\log{\left(\sqrt{2200 \sqrt{6} + 5425} \right)}}{2} + \frac{\log{\left(25 \right)}}{2}\right)\right) \left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} + \frac{\pi}{2} + i \left(- \frac{\log{\left(\sqrt{5425 - 2200 \sqrt{6}} \right)}}{2} + \frac{\log{\left(25 \right)}}{2}\right)\right) \left(- \pi - \operatorname{atan}{\left(\frac{\cos{\left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} \right)}}{\sin{\left(\frac{\operatorname{atan}{\left(\frac{16 \sqrt{6} + 44}{-33 - 12 \sqrt{6}} \right)}}{2} \right)}} \right)} - i \log{\left(\frac{\sqrt[4]{2200 \sqrt{6} + 5425}}{5} \right)}\right) \left(- \pi - \operatorname{atan}{\left(\frac{\cos{\left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} \right)}}{\sin{\left(\frac{\operatorname{atan}{\left(\frac{44 - 16 \sqrt{6}}{-33 + 12 \sqrt{6}} \right)}}{2} \right)}} \right)} - i \log{\left(\frac{\sqrt[4]{5425 - 2200 \sqrt{6}}}{5} \right)}\right) 2 atan ( − 33 − 12 6 16 6 + 44 ) + 2 π + i − 2 log ( 2200 6 + 5425 ) + 2 log ( 25 ) 2 atan ( − 33 + 12 6 44 − 16 6 ) + 2 π + i − 2 log ( 5425 − 2200 6 ) + 2 log ( 25 ) − π − atan sin ( 2 atan ( − 33 − 12 6 16 6 + 44 ) ) cos ( 2 atan ( − 33 − 12 6 16 6 + 44 ) ) − i log ( 5 4 2200 6 + 5425 ) − π − atan sin ( 2 atan ( − 33 + 12 6 44 − 16 6 ) ) cos ( 2 atan ( − 33 + 12 6 44 − 16 6 ) ) − i log ( 5 4 5425 − 2200 6 )
/ / / ___\ \\ / / / ___\ \\ / / / ___\\\ / / / ___\\\
| | log\217 - 88*\/ 6 / || | | log\217 + 88*\/ 6 / || |pi atan(4/3) | log(5) log\217 - 88*\/ 6 /|| |pi atan(4/3) | log(5) log\217 + 88*\/ 6 /||
|pi - atan(4/3) + I*|- ------------------- + log(5)||*|pi - atan(4/3) + I*|- ------------------- + log(5)||*|-- + --------- + I*|- ------ + -------------------||*|-- + --------- + I*|- ------ + -------------------||
\ \ 2 // \ \ 2 // \2 2 \ 2 4 // \2 2 \ 2 4 //
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
4
( − atan ( 4 3 ) + π + i ( − log ( 217 − 88 6 ) 2 + log ( 5 ) ) ) ( − atan ( 4 3 ) + π + i ( − log ( 88 6 + 217 ) 2 + log ( 5 ) ) ) ( atan ( 4 3 ) 2 + π 2 + i ( − log ( 5 ) 2 + log ( 217 − 88 6 ) 4 ) ) ( atan ( 4 3 ) 2 + π 2 + i ( − log ( 5 ) 2 + log ( 88 6 + 217 ) 4 ) ) 4 \frac{\left(- \operatorname{atan}{\left(\frac{4}{3} \right)} + \pi + i \left(- \frac{\log{\left(217 - 88 \sqrt{6} \right)}}{2} + \log{\left(5 \right)}\right)\right) \left(- \operatorname{atan}{\left(\frac{4}{3} \right)} + \pi + i \left(- \frac{\log{\left(88 \sqrt{6} + 217 \right)}}{2} + \log{\left(5 \right)}\right)\right) \left(\frac{\operatorname{atan}{\left(\frac{4}{3} \right)}}{2} + \frac{\pi}{2} + i \left(- \frac{\log{\left(5 \right)}}{2} + \frac{\log{\left(217 - 88 \sqrt{6} \right)}}{4}\right)\right) \left(\frac{\operatorname{atan}{\left(\frac{4}{3} \right)}}{2} + \frac{\pi}{2} + i \left(- \frac{\log{\left(5 \right)}}{2} + \frac{\log{\left(88 \sqrt{6} + 217 \right)}}{4}\right)\right)}{4} 4 ( − atan ( 3 4 ) + π + i ( − 2 l o g ( 217 − 88 6 ) + log ( 5 ) ) ) ( − atan ( 3 4 ) + π + i ( − 2 l o g ( 88 6 + 217 ) + log ( 5 ) ) ) ( 2 atan ( 3 4 ) + 2 π + i ( − 2 l o g ( 5 ) + 4 l o g ( 217 − 88 6 ) ) ) ( 2 atan ( 3 4 ) + 2 π + i ( − 2 l o g ( 5 ) + 4 l o g ( 88 6 + 217 ) ) )
(pi - atan(4/3) + i*(-log(217 - 88*sqrt(6))/2 + log(5)))*(pi - atan(4/3) + i*(-log(217 + 88*sqrt(6))/2 + log(5)))*(pi/2 + atan(4/3)/2 + i*(-log(5)/2 + log(217 - 88*sqrt(6))/4))*(pi/2 + atan(4/3)/2 + i*(-log(5)/2 + log(217 + 88*sqrt(6))/4))/4
x1 = 1.10714871779409 - 0.712708471535306*i
x2 = 1.10714871779409 + 0.712708471535306*i
x3 = -2.0344439357957 - 0.712708471535306*i
x4 = -2.0344439357957 + 0.712708471535306*i
x4 = -2.0344439357957 + 0.712708471535306*i