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

Answer: Option A

Explanation:

• A. 120°
• B. 135°
• C. 90°
• D. 60°

Answer: Option B

Explanation:

• A. ৪৯৯৯
• B. ৫৫০১
• C. ৫০৫০
• D. ৫০০১

Answer: Option C

Explanation:

• A. 4
• B. 2
• D. 1

Answer: Option A

Explanation:

• A. 1+7x
• B. p+qx
• C. $\frac{1}{1+x^2}$
• D. $\frac{2}{1-x^2}$

Answer: Option A

Explanation:

• A. $2\sqrt{1+\tan x}-c$
• B. $\sqrt{1+\tan x}-c$
• C. $2\sqrt{1+{\tan }^{2}x}-c$
• D. কোনটিই নয়

Answer: Option A

Explanation:

• A. $\frac{1}{2}$
• B. $-\frac{1}{2}$
• C. 1
• D. -1

Answer: Option A

Explanation:

• A. -2< k ≤ 2
• B. -2 ≤ k ≤2
• C. -2
• D. -2 ≤ k <2

Answer: Option B

Explanation:

• A. অধিবৃত্ত
• B. উপবৃত্ত
• C. বৃত্ত
• D. সরলরেখা

Answer: Option B

Explanation:

• A. $\pi$
• B. $\frac{\pi }{2}$
• C. $\frac{2\pi }{3}$
• D. $\frac{\pi }{4}$

Answer: Option D

Explanation:

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

Answer: Option D

Explanation:

• A. বৃত্ত
• B. উপবৃত্ত
• C. অধিবৃত্ত
• D. সরলরেখা

Answer: Option D

Explanation:

• A. বাস্তব ও মূলদ
• B. অবাস্তব ও অসমান
• C. জটিল
• D. অমূলদ ও সমান

Answer: Option A

Explanation:

• A. $1,\frac{1}{2}$
• B. $3,\frac{1}{5}$
• C. $1,\frac{1}{3}$
• D. $1,-\frac{1}{3}$

Answer: Option D

Explanation:

• A. 120°
• B. 45°
• C. 60°
• D. 90°

Answer: Option C

Explanation: