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# Verify whether the following are zeroes of the polynomial, indicated against it. p(x) = ( x + 1) (x - 2), x = 1 1, 2

3.(iv) Verify whether the following are zeroes of the polynomial, indicated against it.

(iv)    $p(x) = (x + 1)(x-2), x = -1,2$

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Given polynomial is   $p(x) = (x+1)(x-2)$

Now, at  x = 2   it's value is

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

And at x = -1

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

Therefore, yes  x = 2 , -1   are zeros of  polynomial  $p(x) = (x+1)(x-2)$

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