Posted by Stranger on Monday, March 18, 2013 at 3:22am.
The function
f(x)=x^4−10x^3+40x^2−80x+64
has four complex roots, one of which is 2−2i. What is the sum of all real and imaginary coefficients of these roots?
i here is imaginary unit i.e. i^2 = 1

Algebra  guess, Monday, March 18, 2013 at 1:02pm
It's a simple question and i hope that you should try a bit to solve it
although the answer is 10
it's a brilliant question ??

Algebra  okk, Tuesday, March 19, 2013 at 12:24am
I got it its roots are 4 , 2, 22i, 2+2i
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