Question

what is the formulla (a_b+ c) ka whole square

Answer 1

bonjour dear!

(a+b+c)² = a²+b²+c²+2ab+2bc+2ca

hope this helps

keep smiling

:)

Answer 2

hey mate
$(a - b + c) {}^{2} = {a }^{2} + {b}^{2} + {c}^{2} - 2ab - 2bc + 2ac$
it will be your answer .I hope it helps u buddy