Math, asked by venkyusha1507, 9 months ago

write the coefficient of y in the expansion of (5-y)^2

Answers

Answered by birupakshya17

1

(5-y)²

(5)²-2(5)y+(y)²

25-10y+y²

y²-10y+25

So the coefficient of y is

10

Hope this helps you

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