2/26

7/13

1/52

1/26

22/7

11/3

0.202202202202

17

5736

5376

5637

5367

{A, $\phi$}

{$\phi$, 1, 2}

{A, $\phi$, {1}, {2}}

{A, {1} , {2}}

$\frac{n}{2}(3n^2+3n+7)$

$\frac{{\displaystyle n}}{{\displaystyle 2}}(4n^2+15n+17)$

$\frac{{\displaystyle n}}{{\displaystyle 3}}(2n^2+3n+6)$

$\frac{{\displaystyle n}}{{\displaystyle 2}}(3n^2+7n+9)$

স্কেলার ম্যাটিক্স

শূন্য ম্যাটিক্স

অভেদক ম্যাটিক্স

কর্ণ ম্যাটিক্স

$(4n+1)\frac{\mathrm{\pi }}{8}$

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

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

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

$\sin 3A=3\sin A-4\sin A-4{\sin }^{3}A$

$SinC=3\sin D=2\cos \frac{C+D}{2}\cos \frac{C-D}{2}$

$\cos 3A=4{\cos }^{3}A-3\cos A$

$\cos C-\cos D=2\sin \frac{C+D}{2}\cos \frac{D-C}{2}$

5

6

11

15

x+x+2=0

y+2x+3=0

y+x+1=0

x+y+5=0

1

2

18

-2

2

3

-3

6

40,-10

40, 10

30, -10

20, -10

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

$\frac{{\displaystyle \mathrm{\pi }}}{{\displaystyle 2}}-1$

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

$\frac{\mathrm{\pi }}{2}+1$

x-3=0

y+3=0

x=y=3

x+3=0

$\frac{-y(y+x\log y)}{x(y\log x+x)}$

$-\frac{y(y\log x+x)}{x(x\log y+y)}$

$-\frac{x(y\log +x)}{y(x\log y+y)}$

$-\frac{x(Y+x\log y)}{y(y \log x+x)}$

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

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

$\frac{u}{2g}$

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

$(\frac{1}{\sqrt{4}},\frac{1}{\sqrt{4}})$

$(\frac{1}{\sqrt{5}},\frac{1}{\sqrt{5}})$ttp://www.w3.org/1998/Math/MathML">(15,15)

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

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

128 m/s

188 m/s

181m/s

20.11 m/s

$y=\pm 3$

$y=\pm 5$

$3y=\pm 25$

$5y=\pm 12$

10.10

10.01

1.001

100.1

$e^x\sin x$

$e^x\cos x$

$e^x\cos ecx$

$e^{x}secx$

$3x^2+5x-1=0$

$3x^2+5x+1=0$

$3x^2+5x-1=0$

$5x^2+3x-1=0$

অবাস্তব সংখ্যা

মূলদ সংখ্যা

বাস্তব সংখ্যা

স্বাভাবিক সংখ্যা

22

-22

1

-1