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Question

If the sum of roots of ax²+bx+c=0 is S and product is P, express b and c in terms of a, S, P. (NCERT Class 10 – Concept)

Answer: For ax²+bx+c=0, sum of roots = −b/a = S ⇒ b = −aS. Product of roots = c/a = P ⇒ c = aP.

Question

If the sum of roots of ax²+bx+c=0 is S and product is P, express b and c in terms of a, S, P. (NCERT Class 10 – Concept)

Answer: For ax²+bx+c=0, sum of roots = −b/a = S ⇒ b = −aS. Product of roots = c/a = P ⇒ c = aP.