1

2

3

$\frac{-2}{(x-1{)}^2}$

$\frac{2}{(1-x^2)}$

$\frac{2}{(1-x{)}^2}$

$\frac{2x}{(1-x^2)}$

3

4

-4

-3

$2^2 +1$

$2^n$

$2^{n-1}$

$2^n-1$

2p

0

p

$\frac{p}{2}$

1000 m /sec

800 m /sec

700 m/sec

500 m /sec

$(1,\frac{2}{3})$

$(\frac{5}{6},1)$

$(\frac{5}{3},1)$

$(\frac{2}{3},-1)$

1

$2\sqrt{2}$

3

4

360

460

459

359

2sq .units

4sq. units

6sq. units

8 sq. units

10

20

30

45

$\frac{2}{7}<x<\frac{2}{5}$

$-\frac{4}{7}<x<-\frac{2}{5}$

$\frac{1}{8}<x<\frac{1}{7}$

$\frac{1}{5}>x>\frac{1}{7}$

${\tan }^{-1}\frac{5}{9}$

${\tan }^{-1}\frac{3}{7}$

$\frac{\pi }{2}$

$\frac{\pi }{4}$

204

240

402

420

$\frac{2}{3}(e^x{)}^{3/2} +c$

$\frac{1}{2}\sqrt{e^x}+c$

$2e^{x/2}+c$

$e^{x/2}+c$

$se{c}^2 \left({\sin }^{-1}X\right) +c$

$sec ({\sin }^{-1}x ) +c$

$\ln / | sec ({\sin }^{-1}x\left)\right|+c$

$\ln / \tan \left({\sin }^{-1}x\right) | + c$

$\frac{6}{7}$

$\frac{5}{12}$

$\frac{2}{3}$

$\frac{7}{12}$

$\mathrm{ℝ}-\{-1\}$

$\mathrm{ℝ}-\{0,1\}$

$\mathrm{ℝ} -\{0,1\}$

$(-\infty ,0)$

$30°$

$45°$

$60°$

$90°$

${\cos }^{-1}\frac{1}{\sqrt{3}}$

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

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

${\cos }^{-1} \frac{1}{\sqrt{2}}$

x = 0

x = 2

y =2

y =4

$1-\frac{1}{2}\cos 2A$

$1+ \sin 2A$

1 +3 cos2A

$1 + \frac{1}{2}\cos 2A$

$y^2=1 +2x$

$y^2=4(1-x)$

$y^2=4(1+x)$

$x^2=4(1 +y)$

$(2n +1)\frac{\mathrm{\pi }}{4}$

$(2n +1)\frac{\mathrm{\pi }}{8}$

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

$(2n-1)\frac{\mathrm{\pi }}{2}$

4 একক

$2\sqrt{2}$ একক

2 একক

$4\sqrt{2}$ একক

0

2

1 + $\sqrt{3}$

1

বৃত্ত

উপবৃত্ত

পরাবৃত্ত

অধিবৃত্ত

$\frac{3}{2\sqrt{2}}$

$\frac{3}{2}$

$\frac{\sqrt{5}}{2}$

$\sqrt{\frac{5}{2}}$

০

$\frac{1}{3}$

1

3

$x^2-4x+6=0$

$x^2-3x-8=0$

$x^2-11x+ 8 =0$

$x^2-3x+8=0$