• A. 8
• B. 3
• C. 6
• D. 4

Answer: Option D

Explanation:

• A. $\frac{1}{2}{\tan }^{-1}\left(\frac{\tan x}{2}\right)+c$
• B. $\frac{1}{3}{\tan }^{-1}\left(\frac{\tan x}{2}\right)+c$
• C. $2{\tan }^{-1}\left(\frac{\tan x}{2}\right)+c$
• D. ${\tan }^{-1}\left(ex\right)+c$

Answer: Option A

Explanation:

• A. 4
• B. 2
• C. 6
• D. in 6

Answer: Option D

Explanation:

• A. $x+\sqrt{3y}+10=0$
• B. $x-\sqrt{3y}+10=0$
• C. $\sqrt{3x}+y-10=0$
• D. $\sqrt{3x}+y+10=0$

Answer: Option B

Explanation:

• A. 8
• B. $\frac{\sqrt{10}}{3}$
• C. $\frac{10}{\sqrt{3}}$
• D. কোনটিই নয়

Answer: Option B

Explanation:

• A. 4x + 2y + 3 = 0
• B. 4x – 2y - 3 = 0
• C. 4x - 2y + 3 = 0
• D. 4x + 2y - 3 = 0

Answer: Option C

Explanation:

• A. $x+y\pm 3\sqrt{2}=0$
• B. $x-y\pm 3\sqrt{2}=0$
• C. $x-y\pm 2\sqrt{3}=0$
• D. $x+y\pm 2\sqrt{3}=0$

Answer: Option B

Explanation:

• A. পূর্ণ সংখ্যা
• B. ধনাত্মক র্পূণ সংখ্যা
• C. ঋণাত্মক সংখ্যা
• D. সবগুলো

Answer: Option A

Explanation:

• A. 1/2
• B. 1/3
• C. -1/3
• D. -3

Answer: Option D

Explanation:

• A. 18
• B. 24
• C. 30
• D. 36

Answer: Option B

Explanation:

• A. 6
• B. 8
• C. 9
• D. 12

Answer: Option B

Explanation:

• A. 4.25
• B. 5.4
• C. 7.8
• D. 5.6

Answer: Option A

Explanation:

• A. M-L
• B. 2L-M
• C. 3M-L-2M
• D. L-2M

Answer: Option B

Explanation:

• A. 184 টাকায়
• B. 176 টাকায়
• C. 179 টাকায়
• D. 180 টাকায়

Answer: Option A

Explanation:

• A. 0.0004
• B. 0.4
• C. 0.00004
• D. 0.004

Answer: Option A

Explanation: