InterviewSolution
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InterviewSolution
| 1. |
Factorise :b square +csquare+2(ab+bc+ca) What is solution |
| Answer» b^2+c^2(ab+bc+ca)=b^2+c^2+2ab+2bc+2ca=b^2+c^2+2bc+2ab+2ac=(b+c)^2+2ab+2ca=(b+c)^2+2a(b+c)=(b+c)[(b+c)+2a}=(b+c)(2a+b+c) | |