Question

Answer with explaining

Answer 1

$\huge\sf\blue{Answer}$

$1..(x+y)(x+y)=(x+y)^2 \\ x^2+y^2+2xy \\ 2..(a+b)(a-b) \\ a^2-b^2$

Answer 2

$\huge\sf\blue{Answer}$

$1..(x+y)(x+y)=(x+y)^2 \\ x^2+y^2+2xy \\ 2..(a+b)(a-b) \\ a^2-b^2$

Answer 3

$\huge\sf\blue{Answer}$

$1..(x+y)(x+y)=(x+y)^2 \\ x^2+y^2+2xy \\ 2..(a+b)(a-b) \\ a^2-b^2$

Answer 4

$\huge\sf\blue{Answer}$

$1..(x+y)(x+y)=(x+y)^2 \\ x^2+y^2+2xy \\ 2..(a+b)(a-b) \\ a^2-b^2$

Answer 5

$\huge\sf\blue{Answer}$

$1..(x+y)(x+y)=(x+y)^2 \\ x^2+y^2+2xy \\ 2..(a+b)(a-b) \\ a^2-b^2$