1 . x-1x=7

• A. 334
• B. 354
• C. 364
• D. 512

Answer: Option C

Explanation:

2 . x2+12=5x2

• A. $\sqrt{3}$
• B. $1$
• C. $2\sqrt{2}$
• D. $8$

Answer: Option B

Explanation:

3 . x-1x=2

• A. $1$
• B. $2$
• C. $5\sqrt{2}$
• D. $6\sqrt{2}$

Answer: Option C

Explanation:

4 . x-1x=2

• A. 32
• B. 33
• C. 34
• D. 35

Answer: Option C

Explanation:

5 . x-1x=3

• A. $11$
• B. $10$
• C. $9$
• D. $7$

Answer: Option A

Explanation:

6 . x-1x=1

• A. 6
• B. 4
• C. 8
• D. 2

Answer: Option B

Explanation:

7 . x-1x=2

• A. 4
• B. 12
• C. 14
• D. 16

Answer: Option C

Explanation:

8 . x-1x=4

• A. 18
• B. 16
• C. 14
• D. 22

Answer: Option A

Explanation:

9 . x-1x=2

• A. 30
• B. 31
• C. 32
• D. 34

Answer: Option D

Explanation:

10 . x-1x=7

• A. 49
• B. 50
• C. 51
• D. 52

Answer: Option C

Explanation:

11 . x-1x=2

• A. 12
• B. 14
• C. 2
• D. 4

Answer: Option B

Explanation:

12 . x-1x=4

• A. 18
• B. 16
• C. 11
• D. 15

Answer: Option A

Explanation:

13 . x-1x=5

• A. $8\sqrt{5}$
• B. $10\sqrt{2}$
• C. $5$
• D. $8$

Answer: Option A

Explanation:

14 . x-1x=4

• A. 34
• B. 31
• C. 32
• D. 3

Answer: Option A

Explanation:

15 . x-1x=2

• A. 30
• B. 31
• C. 32
• D. 34

Answer: Option D

Explanation:

16 . x+14x-7-x-1x+5=3x-22+5

• A. 3
• B. 5
• C. -1
• D. -3

Answer: Option C

Explanation:

17 . x-1x2=3

• A. $0$
• B. $6$
• C. $6\sqrt{3}$
• D. $9$

Answer: Option C

Explanation:

18 . x-1x=4

• A. 10
• B. 14
• C. 16
• D. 18

Answer: Option D

Explanation:

19 . x4-x-1=0

• A. 0
• B. 1
• C. 2
• D. 4

Answer: Option B

Explanation:

20 . x2-4x-1=0

• A. 4
• B. 3
• C. 2
• D. 1

Answer: Option A

Explanation:

21 . yx-1x-2-x+3=0

• A. 2x – 2y - 3 = 0
• B. x – 2y - 3 = 0
• C. x + 2y + 3 = 0
• D. x + 2y - 3 = 0

Answer: Option B

Explanation:

22 . limx→0=ex-1x

• A. 0
• B. ∞
• C. 1
• D. -1

Answer: Option C

Explanation: