Question

If (x – 1)⁴ – 16 = 0, then the sum of non real complex roots of the equation is

(a) 2

(b) 0

(c) 4

(d) None of these

Answer 1

Correct option is (a) 2

Sum of non-real roots is (1 + 2i) + (1 – 2i) = 2