Question

Give identity of (a+b+c)^2

Answer 1

Here is your answer dear⬇️

Let (b + c) = x      

Then (a + b + c)² = (a + x)² = a² + 2ax + x²

                         = a² + 2a (b + c) + (b + c)²

                         = a² + 2ab + 2ac + (b² + c² + 2bc) 

                         = a² + b² + c² + 2ab + 2bc + 2ca

Therefore, (a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ca



$\mathfrak \blue {Hope \: my \: answer \: helps \: you \:dear}$

Answer 2

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

hope it will help you

plzz mark me as brainliest