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Question

If two zeroes of the polynomial x3 + x2 − 9x − 9 are 3 and −3, then its third zero is

(a) −1
(b) 1
(c) −9
(d) 9

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Solution

Let and be the given zeros and be the third zero of the polynomial then

Substituting and in, we get

Hence, the correct choice is.


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