Question

Please help me this question ​

Answer 1

using identity :(A+B)^2=A^2+B^2+2Ab(A-B×2=A^2+B^2-2AB. please give me brainlest mark

Answer 2

USING IDENTITY:

( A + B) ^2 = A^2 + B^2 + 2AB

( A- B)^2 = A ^2 + B ^2 - 2AB