El profesor se sorprenderá mucho al ver tu solución correcta😉
/a*x\ /a*x\ 3*sin|---| + a*cos|---| = 0 \ 3 / \ 3 /
Dividamos ambos miembros de la ecuación en 3
/ / ________\\ / / ________\\ | | / 2 || | | / 2 || | |-3 + \/ 9 + a || | |-3 + \/ 9 + a || |atan|----------------|| |atan|----------------|| | \ a /| | \ a /| x1 = - 6*re|----------------------| - 6*I*im|----------------------| \ a / \ a /
/ / ________\\ / / ________\\ | | / 2 || | | / 2 || | |3 + \/ 9 + a || | |3 + \/ 9 + a || |atan|---------------|| |atan|---------------|| | \ a /| | \ a /| x2 = 6*re|---------------------| + 6*I*im|---------------------| \ a / \ a /
x2 = 6*re(atan((sqrt(a^2 + 9) + 3)/a)/a) + 6*i*im(atan((sqrt(a^2 + 9) + 3)/a)/a)
suma
/ / ________\\ / / ________\\ / / ________\\ / / ________\\ | | / 2 || | | / 2 || | | / 2 || | | / 2 || | |-3 + \/ 9 + a || | |-3 + \/ 9 + a || | |3 + \/ 9 + a || | |3 + \/ 9 + a || |atan|----------------|| |atan|----------------|| |atan|---------------|| |atan|---------------|| | \ a /| | \ a /| | \ a /| | \ a /| - 6*re|----------------------| - 6*I*im|----------------------| + 6*re|---------------------| + 6*I*im|---------------------| \ a / \ a / \ a / \ a /
=
/ / ________\\ / / ________\\ / / ________\\ / / ________\\ | | / 2 || | | / 2 || | | / 2 || | | / 2 || | |-3 + \/ 9 + a || | |3 + \/ 9 + a || | |-3 + \/ 9 + a || | |3 + \/ 9 + a || |atan|----------------|| |atan|---------------|| |atan|----------------|| |atan|---------------|| | \ a /| | \ a /| | \ a /| | \ a /| - 6*re|----------------------| + 6*re|---------------------| - 6*I*im|----------------------| + 6*I*im|---------------------| \ a / \ a / \ a / \ a /
producto
/ / / ________\\ / / ________\\\ / / / ________\\ / / ________\\\ | | | / 2 || | | / 2 ||| | | | / 2 || | | / 2 ||| | | |-3 + \/ 9 + a || | |-3 + \/ 9 + a ||| | | |3 + \/ 9 + a || | |3 + \/ 9 + a ||| | |atan|----------------|| |atan|----------------||| | |atan|---------------|| |atan|---------------||| | | \ a /| | \ a /|| | | \ a /| | \ a /|| |- 6*re|----------------------| - 6*I*im|----------------------||*|6*re|---------------------| + 6*I*im|---------------------|| \ \ a / \ a // \ \ a / \ a //
=
/ / / ________\\ / / ________\\\ / / / ________\\ / / ________\\\ | | | / 2 || | | / 2 ||| | | | / 2 || | | / 2 ||| | | |-3 + \/ 9 + a || | |-3 + \/ 9 + a ||| | | |3 + \/ 9 + a || | |3 + \/ 9 + a ||| | |atan|----------------|| |atan|----------------||| | |atan|---------------|| |atan|---------------||| | | \ a /| | \ a /|| | | \ a /| | \ a /|| -36*|I*im|----------------------| + re|----------------------||*|I*im|---------------------| + re|---------------------|| \ \ a / \ a // \ \ a / \ a //
-36*(i*im(atan((-3 + sqrt(9 + a^2))/a)/a) + re(atan((-3 + sqrt(9 + a^2))/a)/a))*(i*im(atan((3 + sqrt(9 + a^2))/a)/a) + re(atan((3 + sqrt(9 + a^2))/a)/a))