The Total solution for NCERT class 6-12
If zeros of the polynomial f(x) = x3 – 3px2 + qx – r are in AP, then(a) 2p3 = pq – r(b) 2p3 = pq + r(c) p3 = pq – r(d) None of these
(a)
f(x) = x3 – 3px2 + qx – rHere a = 1, b = -3p, c = q, d= -rZeros are in APLet the zeros be α – d, α, α + d