1 . x-1x=1,x3-1x3=?

• A. 1
• B. 2
• C. 3
• D. 4

Answer: Option D

Explanation:

2 . x-1x=1

• A. $4.0$
• B. $1.0$
• C. $2.0$
• D. $3.0$

Answer: Option A

Explanation:

3 . x-1x=1

• A. 6
• B. 4
• C. 8
• D. 2

Answer: Option B

Explanation:

4 . x-1x=1

• A. 2
• B. 4
• C. 6
• D. 8

Answer: Option B

Explanation: