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Verify that (i) 3 is a zero of the pol...

Verify that
(i) 3 is a zero of the polynomial x-5.
(ii) -2 is a zero of the polynomial x+2.
`(iii) (7)/(3)` is a zero of the polynomial 3x-7.
(iv) 2 and 3 are zeros of the polynomial (x-2)(x-3).
`(v) (13)/(2)` and -3 are zeros of the polynomial `2x^(2)-7x-39`.

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The correct Answer is:
(i) no, (ii) yes, (iii) yes, (iv) yes, (v) yes.
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