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6 April, 11:09

It is known that x1 and x2 are roots of the equation x2-8x+k=0, where 3x1+4x2=29. find k.

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  1. 6 April, 14:42
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    Note that the sum of root is 8.

    Then, 3 (8) + x2 = 29.

    We have x2=5 and x1=3.

    k = product of roots = 15.
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