Find the following (9x+2y)^2
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Answer:
Formula:(a+b)^2=a^2+2ab+b^2
A=9;b=2
9x^2+2(9)(2)+2^2
9x^2+18*2+4
9x^2+36+4
9x^2+40
Therefore
Ans:9x^2+40
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The answer is (81x^2+38xy+4y^2) Hope you like it
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