Question

simplify (a+b+c)^2 +(a-b+c)^2.
pl help me​

Answer 1

Ans is 2(a^2 + 2ab + b^2)
= 2a^2 + 4ab + 2b^2
Hope this helps!!
;))

Answer 2

(a+b+c)^2+(a-b+c)^2

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

=2(a^2+b^2+c^2)+4ac