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22 June, 01:29

What is the quadratic sequence answer in 2, 11, 26, 47,74

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  1. 22 June, 04:27
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    Hello,

    1) Verify if it is a 2 degree.

    2) y=ax²+bx+c

    Calulate a, b, c by Gauss's methode

    a=3, b=0, c=-1

    y=3x²-1
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