1 . x = √ 4 + √ 3

• A. $5 \surd 3$
• B. $4 \surd 3$
• C. $2 \surd 5$
• D. 52

Answer: Option D

Explanation:

2 . x=3+4

• A. $5\sqrt{3}$
• B. 52
• C. $5\sqrt{2}$
• D. $2\sqrt{5}$

Answer: Option B

Explanation:

3 . x=4 +3

• A. $5\sqrt{3}$
• B. $52$
• C. $5\sqrt{2}$
• D. $2\sqrt{5}$

Answer: Option B

Explanation:

4 . x4-x2+1=0

• A. $৩$
• B. $২$
• C. $১$
• D. $০$

Answer: Option D

Explanation:

5 . x3-1,x3+1,x4+x2+1

• A. $x^7-1$
• B. $x^7-1$
• C. $x^6-1$
• D. $x^5-1$

Answer: Option C

Explanation:

6 . x+1x=3

• A. 2
• B. 4
• C. 0
• D. 6

Answer: Option C

Explanation:

7 . x2+1x2

• A. 1
• B. 0
• C. -2
• D. 2

Answer: Option A

Explanation:

8 . x3+1

• A. $x+1$
• B. $x-1$
• C. $\left(x+1\right)\left(x-1\right)\left(x^2-x+1\right)$
• D. $x\left(x-1\right)$

Answer: Option A

Explanation:

9 . 5x6+3

• A. $6.0$
• B. $7.0$
• C. $\frac{21}{2}$
• D. $14.0$

Answer: Option D

Explanation:

10 . x=3-1x

• A. $\sqrt{3}$
• B. $0.0$
• C. $1.0$
• D. $3.0$

Answer: Option B

Explanation:

11 . x3-1, x3+1, x4+x2+1

• A. $\left(x-4\right)$
• B. $x^6-1$
• C. $\left(x-2\right)$
• D. $\left(x-3\right)$

Answer: Option B

Explanation:

12 . x+1x=5

• A. $1$
• B. $3\sqrt{5}$
• C. $5$
• D. $2\sqrt{5}$

Answer: Option D

Explanation:

13 . 2x+2x=3

• A. $5/8$
• B. $7/8$
• C. $9/8$
• D. $11/8$

Answer: Option B

Explanation:

14 . x+1x=5

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

Answer: Option D

Explanation:

15 . x3+1

• A. X+1
• B. X-1
• C. (X+1)( X-1) (X2-X+1)
• D. X( X-1)

Answer: Option A

Explanation:

16 . x3-1,x3+1,x4+x3+1

• A. $x^6-1$
• B. $x^6+1$
• C. $x^3-2$
• D. $x^7-1$

Answer: Option A

Explanation:

17 . x3-1,x3+1,x4+x2+1

• A. (x-4)
• B. $x^6-1$
• C. (x-2)
• D. (x-3)

Answer: Option B

Explanation:

18 . x+1x=2

• A. 1
• B. 2
• C. 3
• D. 8

Answer: Option B

Explanation:

19 . x+1x=3

• A. 16
• B. 18
• C. 22
• D. 1

Answer: Option B

Explanation:

20 . x4-x2+1=0

• A. ৩
• B. ২
• C. ১
• D. ০

Answer: Option D

Explanation: