Question

solve it's (2a-b+c)saqure

Answer 1

hello mate!....

given....


$(2a - b + c) {}^{2} = 4a {}^{2} + b {}^{2} + c {}^{2} - 4ab - 2bc + 4ac$
hope it helps u dear......

Answer 2

(2a)²+(-b) ²+(c) ²+2(2a*-b+-b*