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Question

Find the coefficient of x2 in a quadratic polynomial each with the given numbers as the sum and product of its zeros respectively. 14,14

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Solution

Let the quadratic polynomial be ax2+bx+c and the zeros be αβ
Given that,
α+β=ba=14
αβ=ca=14
If a=4,b=1,c=1
The quadratic polynomial is 4x2+x+1

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