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- La ecuación:
-
Ecuación 2x^2-x-1=x^2-5x-(-1-x^2)
-
Ecuación x^2+4=5x
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Ecuación x(x^2+2x+1)=6(x+1)
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Ecuación 4x+1=-3x+15
- Expresar {x} en función de y en la ecuación:
- -6*x-20*y=8
- 13*x-12*y=19
- -9*x+11*y=9
- -4*x-8*y=-20
- Suma de la serie:
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28
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Expresiones idénticas
- cx^((x^- dos))= veintiocho
- cx en el grado ((x en el grado menos 2)) es igual a 28
- cx en el grado ((x en el grado menos dos)) es igual a veintiocho
- cx((x-2))=28
- cxx-2=28
- cx^x^-2=28
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Expresiones semejantes
- cx^((x^+2))=28
- 3*16^x+2*81^x-5*36^x=0
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Expresiones con funciones
- cx
- Cx+1^2+Cx+1^3=7x
- cx^2+x+1=0
- Cx-5x^4
cx^((x^-2))=28 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Gráfica
Respuesta rápida
[src]
/ / / 2\\\ / / / 2\\\
-re\W\-2*log(28) + log\c /// -re\W\-2*log(28) + log\c ///
/ / / / 2\\\\ ----------------------------- ----------------------------- / / / / 2\\\\
|im\W\-2*log(28) + log\c ///| 2 2 |im\W\-2*log(28) + log\c ///|
x1 = cos|---------------------------|*e - I*e *sin|---------------------------|
\ 2 / \ 2 /
$$x_{1} = - i e^{- \frac{\operatorname{re}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2}} \sin{\left(\frac{\operatorname{im}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2} \right)} + e^{- \frac{\operatorname{re}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2}} \cos{\left(\frac{\operatorname{im}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2} \right)}$$
x1 = -i*exp(-re(LambertW(log(c^2) - 2*log(28)))/2)*sin(im(LambertW(log(c^2) - 2*log(28)))/2) + exp(-re(LambertW(log(c^2) - 2*log(28)))/2)*cos(im(LambertW(log(c^2) - 2*log(28)))/2)
Suma y producto de raíces
[src]
suma
/ / / 2\\\ / / / 2\\\
-re\W\-2*log(28) + log\c /// -re\W\-2*log(28) + log\c ///
/ / / / 2\\\\ ----------------------------- ----------------------------- / / / / 2\\\\
|im\W\-2*log(28) + log\c ///| 2 2 |im\W\-2*log(28) + log\c ///|
cos|---------------------------|*e - I*e *sin|---------------------------|
\ 2 / \ 2 /
$$- i e^{- \frac{\operatorname{re}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2}} \sin{\left(\frac{\operatorname{im}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2} \right)} + e^{- \frac{\operatorname{re}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2}} \cos{\left(\frac{\operatorname{im}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2} \right)}$$
=
/ / / 2\\\ / / / 2\\\
-re\W\-2*log(28) + log\c /// -re\W\-2*log(28) + log\c ///
/ / / / 2\\\\ ----------------------------- ----------------------------- / / / / 2\\\\
|im\W\-2*log(28) + log\c ///| 2 2 |im\W\-2*log(28) + log\c ///|
cos|---------------------------|*e - I*e *sin|---------------------------|
\ 2 / \ 2 /
$$- i e^{- \frac{\operatorname{re}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2}} \sin{\left(\frac{\operatorname{im}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2} \right)} + e^{- \frac{\operatorname{re}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2}} \cos{\left(\frac{\operatorname{im}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2} \right)}$$
producto
/ / / 2\\\ / / / 2\\\
-re\W\-2*log(28) + log\c /// -re\W\-2*log(28) + log\c ///
/ / / / 2\\\\ ----------------------------- ----------------------------- / / / / 2\\\\
|im\W\-2*log(28) + log\c ///| 2 2 |im\W\-2*log(28) + log\c ///|
cos|---------------------------|*e - I*e *sin|---------------------------|
\ 2 / \ 2 /
$$- i e^{- \frac{\operatorname{re}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2}} \sin{\left(\frac{\operatorname{im}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2} \right)} + e^{- \frac{\operatorname{re}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2}} \cos{\left(\frac{\operatorname{im}{\left(W\left(\log{\left(c^{2} \right)} - 2 \log{\left(28 \right)}\right)\right)}}{2} \right)}$$
=
/ / / 2\\\ / / / 2\\\
| | | c ||| | | | c |||
re|W|log|---||| I*im|W|log|---|||
\ \ \784/// \ \ \784///
- --------------- - -----------------
2 2
e
$$e^{- \frac{\operatorname{re}{\left(W\left(\log{\left(\frac{c^{2}}{784} \right)}\right)\right)}}{2} - \frac{i \operatorname{im}{\left(W\left(\log{\left(\frac{c^{2}}{784} \right)}\right)\right)}}{2}}$$
exp(-re(LambertW(log(c^2/784)))/2 - i*im(LambertW(log(c^2/784)))/2)