Question

Add (a+b)² and (a-b)²​

Answer 1

Answer:

2a.sq+2bsq.

Step-by-step explanation:

(a.sq.+b.sq.+2ab)+(a.sq.+b.sq.-2ab)

2a sq.+2b.sq.

Answer 2

Answer:

0

Step-by-step explanation:

this is because when two same no of opposite sign cut each other and the answer is automatically zero.

so when this type of question arrises the answer must be zero.