Suppose a cubic polynomial `f(x) = x^3 + px^2 + qx + 72` is divisible by both `x^2 + ax + b` an...
1,200 views · Published 12 October 2018 · 9:46 · Indexed 26 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Suppose a cubic polynomial `f(x) = x^3 + px^2 + qx + 72` is divisible by both `x^2 + ax + b` and `x^2+ bx +a` (where a, b, p, q are constants and `a!=b`). Find the sum of the squares of the roots of the cubic polynomial.
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