Math, asked by ytfan, 8 months ago

evaluate
i. (5x + 7y)^3
ii. (2a-1/3+4b)^2

Answers

Answered by dsk75

2

(5x)³+(7y)³+3(5x)(7y)(5x+7y)

= 125x³+343y³+105xy(5x+7y)

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