Question

how to form a polynomial equation when we have the roots given

Answer 1

When the roots are given, say alpha and beta, the first step is to find the sum and the product of the zeros..

ie alpha + beta =?......... (i)
Alpha * beta =?........... (ii)

Then the next step is to form the polynomial.U simply have to substitute (i) and (ii) in the equation given below,

x2 - (alpha + beta) x + alpha*beta

That's it.....

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