Question

Find the zero of the polynomial 2 + − ( + 1).

Answer 1

ANSWER

Given polynomial p(x)=2x−1

We know that p(x) is zero polynomial the value of p(x)=0

∴2x−1=0

Add 1 both sides we get3x−1+1=1

⇒2x=1

Divided by 2 we get x=  21

So p(−  21 ) is the zero polynomial 2x−1

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