Math, asked by chetnakushwah67, 3 months ago

please answer me by explaintion it's 5 point question!! don't spam

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Answers

Answered by nishaapuniyaa

1

Answer:

these are the answers for both the questions

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Answered by Purva2137

1

Step-by-step explanation:

(i)(2y-5)²

=( a-b)²

=a²-2ab+b²

=(2y)²-2*2y*5+5²

=4y²-20y+25

(ii)(2a+7)²

= (a+b)²

=a²+2ab+b²

=2a²+2*2a*7+7²

=4a²+28a+49

done! all the best for your exams

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