Найду корень уравнения: xy*y=0,5
a*y^2 + b*y + c = 0
D = b^2 - 4 * a * c =
(0)^2 - 4 * (x) * (-1/2) = 2*x
y1 = (-b + sqrt(D)) / (2*a)
y2 = (-b - sqrt(D)) / (2*a)
/ / -im(x) re(x) \\ / / -im(x) re(x) \\
_________________________________________ |atan2|---------------, ---------------|| _________________________________________ |atan2|---------------, ---------------||
/ 2 2 | | 2 2 2 2 || / 2 2 | | 2 2 2 2 ||
___ / im (x) re (x) | \im (x) + re (x) im (x) + re (x)/| ___ / im (x) re (x) | \im (x) + re (x) im (x) + re (x)/|
\/ 2 * / ------------------ + ------------------ *cos|---------------------------------------| I*\/ 2 * / ------------------ + ------------------ *sin|---------------------------------------|
/ 2 2 \ 2 / / 2 2 \ 2 /
4 / / 2 2 \ / 2 2 \ 4 / / 2 2 \ / 2 2 \
\/ \im (x) + re (x)/ \im (x) + re (x)/ \/ \im (x) + re (x)/ \im (x) + re (x)/
y1 = - --------------------------------------------------------------------------------------------------- - -----------------------------------------------------------------------------------------------------
2 2 / / -im(x) re(x) \\ / / -im(x) re(x) \\
_________________________________________ |atan2|---------------, ---------------|| _________________________________________ |atan2|---------------, ---------------||
/ 2 2 | | 2 2 2 2 || / 2 2 | | 2 2 2 2 ||
___ / im (x) re (x) | \im (x) + re (x) im (x) + re (x)/| ___ / im (x) re (x) | \im (x) + re (x) im (x) + re (x)/|
\/ 2 * / ------------------ + ------------------ *cos|---------------------------------------| I*\/ 2 * / ------------------ + ------------------ *sin|---------------------------------------|
/ 2 2 \ 2 / / 2 2 \ 2 /
4 / / 2 2 \ / 2 2 \ 4 / / 2 2 \ / 2 2 \
\/ \im (x) + re (x)/ \im (x) + re (x)/ \/ \im (x) + re (x)/ \im (x) + re (x)/
y2 = --------------------------------------------------------------------------------------------------- + -----------------------------------------------------------------------------------------------------
2 2