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29 June, 06:41

Find the value of n such that x2 - 19x + n is a perfect square trinomial.

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  1. 29 June, 08:39
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    Divide - 19 by 2 then square it to get the last term

    -19 / 2 = - 9.5 and (-9.5) ^2 = 90.25

    Answer n = 90.25
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