Question

gogle, a quadrillic polynomial having​

Answer 1

Answer:

We have to find the quadratic polynomial having roots 1 and -2. Now, before we proceed we should know that if x=α and x=β are roots of a quadratic polynomial (x−α)(x−β)=x2−(α+β)x+αβ and we can write it as x2−(sum of the roots)x+(product of the roots) .

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