7 question please its urgent
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hope this helps you and plz mark
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siddharthnigamfan:
at comment session please write at least (a) part
(a+b+c)^2-(a+b+c)^2
(a+b+c)^2{1-1}
here i took (a+b+c)^2 common
no the question is (a+b+c)*2-(a-b+c)*2
ok
sorry * this instead of ^ by mistake
=a^2 +b^2+c^2 +2(ab+bc+ca)-a^2+b^2-c^2-2(-ab-bc+ca)
2b^2+4(ab+bc)
2b(b+2a+2c)
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ope this helps you and plz mark
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