Math, asked by arumugam54, 10 months ago

(9a-5b)^2 +180ab =?
please say me the answer​

Answers

Answered by raavra
1

See the pic for the answer...

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Answered by marinakeithellakpam1
1

Answer:

(9a-5b)^2+180 ab

= (9a)^2-(5b)^2+2*9a*5b +180 ab

=81a^2-25b^2+90ab+180ab

=81a^2-25b^2+270ab

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