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

Answer: Option D

Explanation:

• A. 3e
• B. 1 - e
• C. e - 1
• D. 3e - 1

Answer: Option C

Explanation:

• A. $x^{2 }+ 6x - 13 =0$
• B. $x^{2 }+ 6x + 9 =0$
• C. $x^{2 }+ 6x + 13 =0$
• D. $x^{2 }- 6x + 13 =0$

Answer: Option D

Explanation:

• A. $8,-30$
• B. $-8,30$
• C. $-10,40$
• D. $10,-40$

Answer: Option C

Explanation:

• A. $30°$
• B. $45°$
• C. $65°$
• D. $120°$

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

• A. 3
• B. 4
• C. 5
• D. 6

Answer: Option D

Explanation:

• A. (2, 1)
• B. (-2,1)
• C. (1, 2)
• D. (1,-2)

Answer: Option A

Explanation:

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

Answer: Option D

Explanation:

• A. $2$
• B. $4$
• C. $5$
• D. $7$

Answer: Option C

Explanation:

• A. $13\sqrt{2}$
• B. $6\sqrt{2}$
• C. $6$
• D. $13$

Answer: Option C

Explanation:

• A. 3
• B. 5
• C. 4
• D. $4\sqrt{2}$

Answer: Option B

Explanation:

• A. $\frac{\pi }{4}$
• B. $\frac{\pi }{2}$
• C. 1

Answer: Option A

Explanation: