Question

simplify the following:-. (i) (a+b)^2+(a-b)^2. (ii) (6a+5b+4c)^2 - (6a-5b-4c)^2​

Answer 1

Answer:

kn se chapter ka Q ha ye.

Answer 2

Answer:

1) (a+b)^2 + (a-b)^2

= a^2 + b^2 + 2ab + a^2 + b^2 - 2ab

= 2(a^2 + b^2)

2)