Question

if p and q are the roots of x^2 + 2x + 1 = 0 then the values of p^3 + q^3 becomes. solutions

Answer 1

by factorising we get (x+1 )(x+1)

implies x = -1 and -1

(-1 power3)+(-1)power3 = -1 + -1 = - 2