Question

find the cubic polynomial with the sum, sum of its products of its zeroes taken two at a time and the product of its zeroes are 2, -7 and -14 respectively ​

Answer 1

Answer:

Kind a cubic polynomial with the sum, sum of the product of its zeroes taken two at a time and the product of its zeroes as –9, –11, 30 respectively. Let the quadratic polynomial be ax3 – bx2 + cx + d and its zeroes be α, β and y. When we put a = 1, then b = 9, c = -11, d = 30.

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Answer 2

Answer:

Kind a cubic polynomial with the sum, sum of the product of its zeroes taken two at a time and the product of its zeroes as –9, –11, 30 respectively. Let the quadratic polynomial be ax3 – bx2 + cx + d and its zeroes be α, β and y. When we put a = 1, then b = 9, c = -11, d = 30.