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Question

The sum of the zero and the product of zero of a quadratic polynomial are -12 and −3 respectively, write the polynomial.

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Solution

We can find the quadratic polynomial if we know the sum of the roots and product of the roots by using the formula
x2 − (Sum of the zeros)x + Product of zeros
x2--12x+-3x2+12x-3
Hence, the required polynomial is x2+12x-3.

x22x+13=03x232x+1=0

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