i alpha and beta are the zeroes ofthe quadratic polynomial f(x) = X2-px+q then find the value of alpha2 + beta 2
f(x) = x2-px+q
So, alpha + beta = -b / a = p
and, alpha x beta= c /a = q
So, alpha2+beta2 = (alpha+beta)2 - 2 (alpha x beta)
= p2 - 2q
i alpha and beta are the zeroes ofthe quadratic polynomial f(x) = X2-px+q then find the value of alpha2 + beta 2
f(x) = x2-px+q
So, alpha + beta = -b / a = p
and, alpha x beta= c /a = q
So, alpha2+beta2 = (alpha+beta)2 - 2 (alpha x beta)
= p2 - 2q