Question

Find real and imaginary parts of (a+3bi)^4

Answer 1

an imaginary number could change to a radius with an angle. change it then power the radius by 4 and multiply the angle with four . i wish it would help you

Answer 2

i just need to solve this

Answer 3

plz expand this formula i can do the rest

Answer 4

r= sqrt(x^2+y^2)
phi=tan -1 ( y/x)
x = real part
y= imaginary part

Answer 5

this just needs to be solved!!! the R & I parts will show up

Answer 6

????????????????????????????????????????????????

Answer 7

so what ?

Answer 8

i've solved it using binomial theorem by myself!!

Answer 9

thanks to

Answer 10

myself!! :-/

Answer 11

:D