Question

Guys please help me by solving this math sums please​

Answer 1

Answer:

x^2-1^2

4-a^2

9b^2-1

16+25x^2

4a^2-9

x^2;y^2-16

Answer 2

Answer:

bhai bahut easy hai mai apko formula bta deta hu apko samjh me aa jayega bro...

Step-by-step explanation:

1) (a+b)whole square=(a)sq.+(b)sq+2(ab)

2) (a-b)whole square=(a)sq.+(B)sq.-2(ab)

3)(a+b) multiplied byyy (a-b)=(a)sq. (b)sq.

4)(x)sq.+x(a+b)-x(ab)=(x+a) (x-b)

MARK ME AS BRIANLIEST BRO