1/72

1/144

1/216

1/108

5*4

4*2

5*2

2*5

${10}^6$

${10}^4$

$3\times {10}^6$

$3\times {10}^4$

$(\sqrt{3},\frac{5\pi }{6})$

$(-\sqrt{3},5\pi )$

$(\sqrt{2},\frac{5\pi }{6})$

কোনটিই নয়

$\sqrt{x}$

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

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

$2\sqrt{x}$

-2

2

3

-4

f(x)=$x^2$

$f\left(x\right)=x^3$

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

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

-1

i

1

-i

$\frac{\sqrt{k+1}}{\sqrt{k-1}}$

$2\sqrt{k+1} + \sqrt{k-1}$

2

$\sqrt{k+1} - \sqrt{k-1}$

3

15

18

18

1

3

5/3

6

$-2\le x\le 2$

$-1\le x\le 1$

$-\infty <x<\infty$

$x\ge 4$

$\frac{a-b}{b-a}>1$

$\frac{a-b}{b-a}<1$

$\frac{a-b}{b-a}=1$

$\frac{{\displaystyle a-b}}{{\displaystyle b-a}}=0$

9.8

39.2

80

320

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

$\frac{5\mathrm{\pi }}{4}$

$\frac{5\mathrm{\pi }}{6}$

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

বাস্তব ও অসমান

জটিল ও অসমান

জটিল ও সমান

অসমান ও মূলদ

2e

e-1

2(e-1)

2e-1

$\frac{x}{2}$

$\frac{x}{3}$

$\frac{x}{7}$

$\frac{x}{11}$

{2}

[1,3]

$\varnothing$

{1,2}

12850

12870

1366

1189

4

6

8

2

1

2

অসংঙ্ঘায়িত

5

2

1

3

3

2

$\frac{5\pm \sqrt{17}}{2}$

$\frac{5}{2}$

$n\pi$

$(4n+1)\pi$

$2n\pi +\frac{\pi }{4}$

$2n\pi$

${{10}_C}_8$

${{10}_C}_7$

${{11}_C}_8$

${{11}_C}_7$

$1+\sin \theta$

$1-\sin \theta$

$\sin \theta -1$

1

$2\stackrel{\wedge }{i}-3\stackrel{\wedge }{j}+4\stackrel{\wedge }{k}$

$3\stackrel{\wedge }{i}+2\stackrel{\wedge }{j}-4\stackrel{\wedge }{k}$

$2\stackrel{\wedge }{i}+3\stackrel{\wedge }{j}-4\stackrel{\wedge }{k}$

$2\stackrel{\wedge }{i}-4\stackrel{\wedge }{j}-3\stackrel{\wedge }{k}$

1 4 6 4 1

1 3 3 1

1 3 2 3 1

1 5 10 10 5 1