1 . x-y=0

• A. $x^1+y^1$
• B. $x^1-y^1$
• C. $0$
• D. $3$

Answer: Option C

Explanation:

2 .

• A. $1$
• B. $\mathrm{X}$
• C. $x^2$
• D. $x^{2}y$

Answer: Option C

Explanation: