Sr Examen

Otras calculadoras

x^2+(x-1)*sqrt(3*x-a)=x la ecuación

El profesor se sorprenderá mucho al ver tu solución correcta😉

v

Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
 2             _________    
x  + (x - 1)*\/ 3*x - a  = x
$$x^{2} + \sqrt{- a + 3 x} \left(x - 1\right) = x$$
Gráfica
Suma y producto de raíces [src]
suma
           ____________________________                                          ____________________________                                            ____________________________                                          ____________________________                                  
        4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\     4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\       4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\     4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\
        \/  (9 - 4*re(a))  + 16*im (a) *cos|----------------------------|   I*\/  (9 - 4*re(a))  + 16*im (a) *sin|----------------------------|       \/  (9 - 4*re(a))  + 16*im (a) *cos|----------------------------|   I*\/  (9 - 4*re(a))  + 16*im (a) *sin|----------------------------|
    3                                      \             2              /                                        \             2              /   3                                      \             2              /                                        \             2              /
1 + - - ----------------------------------------------------------------- - ------------------------------------------------------------------- + - + ----------------------------------------------------------------- + -------------------------------------------------------------------
    2                                   2                                                                    2                                    2                                   2                                                                    2                                 
$$\left(\left(- \frac{i \sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} - \frac{\sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} + \frac{3}{2}\right) + 1\right) + \left(\frac{i \sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} + \frac{\sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} + \frac{3}{2}\right)$$
=
4
$$4$$
producto
/       ____________________________                                          ____________________________                                  \ /       ____________________________                                          ____________________________                                  \
|    4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\     4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\| |    4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\     4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\|
|    \/  (9 - 4*re(a))  + 16*im (a) *cos|----------------------------|   I*\/  (9 - 4*re(a))  + 16*im (a) *sin|----------------------------|| |    \/  (9 - 4*re(a))  + 16*im (a) *cos|----------------------------|   I*\/  (9 - 4*re(a))  + 16*im (a) *sin|----------------------------||
|3                                      \             2              /                                        \             2              /| |3                                      \             2              /                                        \             2              /|
|- - ----------------------------------------------------------------- - -------------------------------------------------------------------|*|- + ----------------------------------------------------------------- + -------------------------------------------------------------------|
\2                                   2                                                                    2                                 / \2                                   2                                                                    2                                 /
$$\left(- \frac{i \sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} - \frac{\sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} + \frac{3}{2}\right) \left(\frac{i \sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} + \frac{\sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} + \frac{3}{2}\right)$$
=
I*im(a) + re(a)
$$\operatorname{re}{\left(a\right)} + i \operatorname{im}{\left(a\right)}$$
i*im(a) + re(a)
Respuesta rápida [src]
x1 = 1
$$x_{1} = 1$$
            ____________________________                                          ____________________________                                  
         4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\     4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\
         \/  (9 - 4*re(a))  + 16*im (a) *cos|----------------------------|   I*\/  (9 - 4*re(a))  + 16*im (a) *sin|----------------------------|
     3                                      \             2              /                                        \             2              /
x2 = - - ----------------------------------------------------------------- - -------------------------------------------------------------------
     2                                   2                                                                    2                                 
$$x_{2} = - \frac{i \sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} - \frac{\sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} + \frac{3}{2}$$
            ____________________________                                          ____________________________                                  
         4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\     4 /              2        2        /atan2(-4*im(a), 9 - 4*re(a))\
         \/  (9 - 4*re(a))  + 16*im (a) *cos|----------------------------|   I*\/  (9 - 4*re(a))  + 16*im (a) *sin|----------------------------|
     3                                      \             2              /                                        \             2              /
x3 = - + ----------------------------------------------------------------- + -------------------------------------------------------------------
     2                                   2                                                                    2                                 
$$x_{3} = \frac{i \sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} + \frac{\sqrt[4]{\left(9 - 4 \operatorname{re}{\left(a\right)}\right)^{2} + 16 \left(\operatorname{im}{\left(a\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 4 \operatorname{im}{\left(a\right)},9 - 4 \operatorname{re}{\left(a\right)} \right)}}{2} \right)}}{2} + \frac{3}{2}$$
x3 = i*((9 - 4*re(a))^2 + 16*im(a)^2)^(1/4)*sin(atan2(-4*im(a, 9 - 4*re(a))/2)/2 + ((9 - 4*re(a))^2 + 16*im(a)^2)^(1/4)*cos(atan2(-4*im(a), 9 - 4*re(a))/2)/2 + 3/2)