If zeros of the polynomial fx-x3-3 p x2-q x-r are in A-P- thena 2 p3-p q-rb 2 p3-p q-rc p3-p q-rd None of these

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Formation of a Quadratic Equation From It's Roots

If zeros of t...

Question

If zeros of the polynomial f(x) = x³ − 3px² + qx − r are in A.P., then

(a) 2p³ = pq − r
(b) 2p³ = pq + r
(c) p³ = pq − r
(d) None of these

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