Question

(a+b+c) =a^2+b^2+c^2+2ab+2bc+2ca

Answer 1

Answer:

Step-by-step explanation:

It is (a+b+c)^2= a^2+b^2+c^2+2ab+2bc+2ca

Answer 2

(a+b+c)^2

=(a+b+c)(a+b+c)

=a^2+b^2+c^2+2ab+2bc+2ca

=a^2*b^2+c^2+2(ab+bc+ca)

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