Question

Give me it's ans ..
With Explanation​

Answer 1

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

(a-b-c)^2 = a² + b² + c² - 2ab + 2bc - 2ca

(a-b+c)^2 = a^2+b^2+c^2–2ab-2bc+2ac

(-a+b-c)^2= a^2+b^2+c^2–2ab+2ac-2bc

by using these formulas u can expand