2n

2n-1

$2^{n-1}$

$2^n$

1-i

-1-i

±(1-i)

-1+i

$3x^2+2x+1=0$

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

$2x^2+x+2=0$

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

1

2

5

1

$\sqrt{2}$

$\left[\begin{array}{cc}0& 1\\ 1& 0\end{array}\right]$

$\left[\begin{array}{cc}1& 0\\ 0& 1\end{array}\right]$

$\frac{231}{8}$

$-\frac{231}{8}$

$\frac{251}{8}$

$-\frac{251}{8}$

$\frac{n}{n+1}$

$\frac{2n}{1+1}$

$\frac{3n}{n+1}$

$\frac{1}{n+2}$

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

$\mathrm{\pi }$

$\frac{\mathrm{\pi }}{3}$

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

-1

1

π

3x+2y-1=0

3x+2y=0

3x-2y+1=0

3x+2y+1=0

হাইপারবোলা

প্যারাবোলা

ইলিপস

বৃত্ত

8

16

4

√8

40320

36000

32000

43200

331

431

231

131

175

75

300

131

10110

11011

10101

11100

45°

60°

90°

120°

$\frac{u^2}{g}$

$\frac{u \sin \alpha }{g}$

$\frac{u \sin \alpha }{2g}$

$\frac{u}{2g}$

$\frac{P}{\sin \alpha }=\frac{Q}{\sin \beta }=\frac{R}{\sin \gamma }$

$P^2+Q^2=R^2$

$s=ut+\frac{1}{2}f{t}^2$

${\sin }^2\alpha +{\sin }^2\beta ={\sin }^2\gamma$

1

∞

x

$\sin \frac{\theta }{2}$

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

$\tan \frac{\theta }{2}$

$cot\frac{\theta }{2}$

$a^x$

$a^{x}Ina$

$x In a$

$x{a}^{x-1}$

$\frac{1}{4}$

$\frac{3}{4}$

$\frac{1}{2}$

$\frac{5}{9}$

$\frac{\sin \sqrt{x2}}{2\sqrt{x}}$

$\frac{\sin \sqrt{x}}{2\sqrt{x}}$

$\frac{\cos \sqrt{x}}{2\sqrt{x}}$

$-\frac{\cos \sqrt{x}}{2\sqrt{x}}$

${\tan }^{-1}(x^2+2)+c$

$co{t}^{-1}(x^2+2)+c$

${\tan }^{-1}(x^2+1)+c$

$co{t}^{-1}(x^2+1)$

e

e-1

e+1

-1

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

π

2π

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

$\frac{7}{3}$

$-\frac{7}{3}$

$\frac{3}{7}$

$-\frac{3}{7}$

W

mg

Wg

W/g

±2

±1

4

±3/2