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Question

Let α&β be the zeros of a polynomial p(x). If α+β=24 & αβ=8, then find quadratic polynomial.

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Solution

α+β=24
αβ=8
Adding both the equations we get
2×α=32
α=16
Subtracting both the equations we get
2×β=16
β=8
α+β=24
α×β=128
p(x)= x2 - (sum of zeroes)x + Product of zeroes
x2 - 24x + 128

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