$\frac{2}{1+x^2}$

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

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

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

(-2,2)

(2,-2)

(2,2)

(-2,-2)

$x^2+y^2-4x-6y+9 =0$

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

${x}^2+y^2+4x+6y+13 =0$

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

$\theta =2n\pi +\frac{\mathrm{\pi }}{4}$

$\theta =2n\pi -\frac{\mathrm{\pi }}{4}$

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

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

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

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

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

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

65 জন

70 জন

75 জন

85 জন

$x^2+5x+6=0$

$x^2-5x-6=0$

$x^2+5x-6=0$

$x^2-5x+6=0$

2 গুণ

3 গুণ

4 গুণ

সমান

10

5

15

none

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

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

$\sqrt{3\mathrm{\pi }}$

$3\sqrt{3}$

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

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

$\frac{1}{6}n(n+1)(2n+3)$

$\frac{1}{3}n(n+1)(2n+2)$

$\frac{4}{2}$

$\frac{15}{8}$

$\frac{11}{4}$

$\frac{11}{2}$

$\frac{{\mathrm{\pi g}}^2}{4}sq.units$

${\mathrm{\pi g}}^2\mathrm{sq}.\mathrm{units}$

$\frac{{\mathrm{\pi g}}^2}{2}\mathrm{sq}.\mathrm{units}$

$\frac{3{\mathrm{\pi g}}^2}{2}\mathrm{sq}.\mathrm{units}$

$\sqrt{3}$

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

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

1

$1000 {\mathrm{ms}}^{-1}$

$200 {\mathrm{ms}}^{-1}$

$400{\mathrm{ms}}^{-1}$

$500 {\mathrm{ms}}^{-1}$

f(x)=sin x

f(x) =cos x

$f\left(x\right)=x^2$

$f\left(x\right)=\frac{1}{x}$

2,10

-2,10

-10,2

-10,-2

940 m

490 m

94 m

49 m

$\frac{\sqrt{3}}{2} \cos 40°$

$\frac{1}{2} \sin 20°$

$\sqrt{2} \cos 20°$

$\frac{\sqrt{3}}{2} \sin 40°$

ত্রিভূজ

চতুর্ভুজ

ট্রাপিজিয়াম

পঞ্চভুজ