Question

Verify whether ×= -1, 2 is a zero of the polynomial, p (×) = (×+ 1) (×-2)​

Answer 1

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Step-by-step explanation:

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Answer 2

$p(-1)\\=(1+1)(1-2)\\=(2)(-1)\\=-2$

∵p(-1)≠0

∴-1 is not the zero of polynomial (×+ 1) (×-2)​

$p(2)\\=(2+1)(2-2)\\=(3)(0)\\=0$

∵p(2)=0

∴2 is the zero of polynomial (×+ 1) (×-2)​

Hence, verified