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

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

(iii)    $p(x) = x^2 -1, x = 1,-1$

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Given polynomial is   $p(x) = x^2-1$

Now, at  x = 1   it's value is

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

And at x = -1

$p(-1) = (-1)^2-1 = 1 -1 =0$
Therefore, yes  x = 1 , -1   are zeros of  polynomial  $p(x) = x^2-1$

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