$2{\cos }^{-1}x$

$\frac{\mathrm{\pi }}{2}+{\sin }^{-1}x$

$\mathrm{\pi }-{\sin }^{-1}x$

$\mathrm{\pi }- 2{\cos }^{-1}x$

$\mathrm{\pi }-2{\sin }^{-1}x$

$\left({\tan }^{-1}{x}^2\right)$

$\frac{1}{3}{\left({\tan }^{-1}x\right)}^3$

$\frac{1}{3}{\left({\tan }^{-1}x\right)}^2$

$\left({\tan }^{-1}x\right)3$

কোনোটিই নয়

-1

$0$

3

2

4

$\frac{13}{31}$

$\frac{31}{13}$

$\frac{13}{10}$

$\frac{10}{13}$

$\frac{14}{16}$

$P - Q, 0^0$

$\sqrt{P^2 + Q^2}, {\tan }^{-1}\left(\frac{P}{Q}\right)$

$P + Q, 0^0$

$2P\cos \frac{\theta }{2}, \frac{\theta }{2}$

$P + Q, {\tan }^{-1}\left(\frac{P}{Q}\right)$

3

7

5

6

2

2, 1

-2, -1

-2, 1

2, -1

কোনোটিই নয়

$\left[0, \infty ), (0, 1\right]$

$\left[2, \infty ), (0, \infty \right]$

$\left[0, \infty ), (0, \infty \right]$

$[2, \infty ), [0, \infty )$

কোনোটিই নয়

$\frac{x{e}^2}{{\left(x+1\right)}^2}+c$

$\frac{x{e}^2}{{\left(x+1\right)}^3}+c$

$\frac{e^2}{{\left(x+1\right)}^2}+c$

$\frac{x}{{\left(x+1\right)}^2}+c$

কোনোটিই নয়

$A \cup B\text{'}$

B

$A\text{'} - B$

$A\cap B$

$A\text{'}\cap B\text{'}$

9 তম

7 তম

10 তম

8 তম

11 তম

3

8

$2\sqrt{2}$

$2\sqrt{3}$

4

$n\mathrm{\pi } + \frac{\mathrm{\pi }}{6}$

$\frac{\mathrm{\pi }}{6}$

$n\mathrm{\pi } - \frac{\mathrm{\pi }}{6}$

$n\mathrm{\pi } \pm \frac{\mathrm{\pi }}{6}$

$n\mathrm{\pi }$

$0$

$\frac{\mathrm{\pi }}{4}$

$\frac{\mathrm{\pi }}{2}$

$2\mathrm{\pi }$

কোনোটিই নয়

$\frac{8}{3}$ বর্গ একক

$\frac{4}{3}$ বর্গ একক

6 বর্গ একক

$\frac{1}{3}$ বর্গ একক

$\frac{16}{3}$ বর্গ একক

$\frac{2}{3}$

$\frac{1}{3}$

1

$\frac{2}{5}$

$\frac{3}{5}$

2

1

3

4

$\sqrt{2}$

$\frac{1}{3}{x}^{\frac{1}{3}}$

$\frac{2}{3}{x}^{-\frac{1}{3}}$

$3x^{\frac{1}{3}}$

$3x^{-\frac{1}{3}}$

কোনোটিই নয়

1

$\infty$

$0$

-1

$-\infty$

পরাবৃত্ত

উপবৃত্ত

বৃত্ত

অধিবৃত্ত

কোনোটিই নয়

(0, 0)

(1, 0)

(0, 1)

(1, 1)

কোনোটিই নয়

$\frac{7}{8}$

$\frac{8}{13}$

$\frac{7}{13}$

$\frac{13}{7}$

$\frac{3}{7}$

8

12

16

4

28

41n2 - 4

1n2 - 8

81n2 - 4

81n2 + 4

81n2 - 8

$c = \pm \sqrt{1+m^2}$

$c = -a\sqrt{1-m^2}$

$c = a\sqrt{1-m^2}$

$c = \pm a\sqrt{1-m^2}$

$c =\sqrt{1-m^2}$