Question

if alpha and beta are the zeroes of the polynomial 21x^2 - x - 2 then find the value of i) 1/alpha + 1/beta ii) alpha² + beta² iii) alpha/beta + beta/alpha iv) alpha³beta + beta²alpha
pls answer it with steps !!!
urgent

Answer 1

You are given the equation so you can find the value of alpha and beta and put it in the questions... HOPE THIS HELPS YOU...