$$(a+b), (a^{2} - b^{2}), (a + b)^{2} (a-b), (a^{2} - b^{2})^{2}, (a+b)^{3} (a-b)^{2}, ............$$.

A

$$(a^{2}-b^{2})^{3}$$

B

$$(a^{2}-b^{2})^{2}$$

C

$$(a^{2}-b)^{3}$$

D

$$(a-b)^{3} (a+b)^{2}$$