Math, asked by bavitha, 1 year ago

please solve do this sums

Attachments:

KAS11: I know the ans of 1st but not the 2nd

KAS11: then should I ans or not

Answers

Answered by grishmamody

2

1.1(a-b)(2a+4b)
=a(2a+4b)-b(2a+4b)
=2asquare +4ab-2ab-4bsquare
=2asquare+2ab-4bsquare

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