Question

If the product of zeroes of the quadratic polynomial 3 x^
2 + 18 x + p is 5 , then find the value of p .

Answer 1

f(X) = 3x² + 18x + p

let alpha and beta are zeroes of polynomial

alpha × beta = 5 ( given )

product of zeroes = constant term / cofficient of x²

=> p/3 = 5

=> p = 3× 5 = 15

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