Write the cofficient of y in the expansion of ( 5-y)2

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Write the cofficient of y in the expansion of ( 5-y)2

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Adalynn 3 weeks 2021-09-04T01:15:21+00:00 1 Answer 0 views 0

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    2021-09-04T01:16:49+00:00

    (5-y)²

    = 25-10y+y²

    here coefficient of y is -10

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