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13 August, 16:30

If a polynomial function f (x) has roots 3 and √7. what must also be a root of f (x) ?

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  1. 13 August, 18:05
    0
    -√7

    Step-by-step explanation:

    radical roots always occur in pairs.

    √7 is a root, so - √7 should also be a root of polynomial f (x)
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