1 . x6-y6

• A. $\left(x+y\right)\left(x-y\right)\left(x^2+xy+y^2\right)\left(x^2-xy+y^2\right)$
• B. $\left(x^3+y^3\right)\left(x^3-y^3\right)$
• C. $\left(x+y\right)\left(x-y\right)\left(x^2+2xy\right)\left(x^2-xy+y^2\right)$
• D. $\left(x^2+y^2\right)\left(x^2+xy+y^2\right)\left(x^2-xy+y^2\right)$

Answer: Option A

Explanation: