Math, asked by SanjeelD, 1 month ago

write the following in expanded form (a+2b-c)^2

Answers

Answered by BangtansLifePartner

14

Formula,

(a+b+c)2=a2+b2+c2+2ab+2bc+2ca

Given,

(a+2b+c)2=a2+(2b)2+c2+2a(2b)+2(2b)c+2ca

=a2+4b2+c2+4ab+4bc+2ac

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