Question

The quadratic equation p(x) = 0 with real coefficients has purely imaginary roots. Then the equation p(p(x)) = 0 has

(a) one purely imaginary root

(b) all real roots

(c) two real and two purely imaginary roots

(d) neither real nor purely imaginary roots

Answer 1

Answer:

(c) two real and two purely imaginary roots

Answer 2

C) two real and two purely imaginary root