Question

who will give correct answer i will give 5 stars and mark has brillent.​

Answer 1

Answer:

Simple hai.. use the formula (a+b)^2 = a^2 +2ab + b^2

I'll do the 3rd one for u

and if it is (a-b)^2 = a^2 - 2ab +b^2

see the signs. (Sorry, I couldn't do all as I have my 10th std geography prelims tomorrow.. so I need to study that also..hope u understand)

Thanks and regards,

Vaishnavi nimal