Math, asked by vekariyadhruvil2, 6 months ago

Expand: (i) (3x-y) 2

Answers

Answered by siddhimakwana11

3

Answer:

(3x-y)²

by using identity

(a-b)²=a²-2ab+b²

(3x)²-2(3x)(y)+y²

9x²-6xy+y²

Answered by nisha12364

1

(3x - y) 2 = 6x - 2y

hence, 3x -1y = 1/2

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