x ln x -x

x ln x

$\frac{1}{x}$

ln x

$(\frac{14}{3},3)$

$(\frac{27}{7},\frac{2}{7})$

$(\frac{27}{4},\frac{4}{3})$

কোনোটিই নয়

$x\le 2,3\le x and y\ge 0$

$2\le 2,3 \le x\le 3 and y\ge 0$

$x\ge 3 and y> 0$

$x\le 2 , x\ge 3 and y > 0$

16 ft

21 $\sqrt{3} ft$

32ft

16$\sqrt{3} ft$ ft

$\left(\frac{x}{y}\right)$

$(-\frac{x}{y}{)}^n$

$-(\frac{x}{y}{)}^{n-1}$

$+ (\frac{x}{y}{)}^{n-1}$

$\sqrt{3} =2 \cos ec\theta$=2n$\mathrm{\pi }$-$\frac{\mathrm{\pi }}{3}$

$\theta =2n\mathrm{\pi } +\frac{\mathrm{\pi }}{3}$

$\mathrm{\theta }=2\mathrm{n\pi } + \frac{\mathrm{\pi }}{6}$

$\mathrm{\theta } = 2 \mathrm{n\pi } - \frac{\mathrm{\pi }}{6}$

$\left[\begin{array}{c}\cos \theta \\ -\sin \theta \end{array}\begin{array}{c}\sin \theta \\ \cos \theta \end{array}\right]$

$\left[\begin{array}{c}\cos \theta \\ \sin \theta \end{array}\begin{array}{c}-\sin \theta \\ -\cos \theta \end{array}\right]$

$\left[\begin{array}{c}\cos \theta \\ \sin \theta \end{array}\begin{array}{c}-\sin \theta \\ \cos \theta \end{array}\right]$

$\left[\begin{array}{c}\cos \theta \\ \sin \theta \end{array}\begin{array}{c}\sin \theta \\ \cos \theta \end{array}\right]$

1440

246

120

60

$-\frac{9}{5}$

$-\frac{7}{2}$

$-\frac{5}{2}$

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

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

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

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

1

2

4

8

$\frac{1}{4}{\mathrm{\pi a}}^2$

$\frac{1}{2}{\mathrm{\pi a}}^2$

${\mathrm{\pi a}}^2$

$\frac{1}{2}{\mathrm{a}}^2$

10011

111

110

11

- 2 In 2

- In 2

- 2 e

-e

$(-\frac{2}{3},-\frac{1}{3}) \cup (-\frac{1}{3},-\frac{4}{5})$

$[-\frac{2}{5},-\frac{1}{3})\cup (-\frac{1}{3},\frac{4}{15})$

$(-\frac{2}{3},\frac{4}{15})$

None

-1

$-\frac{1}{2}$

$\frac{1}{2}$

1

$x^2+ y^2 + 6x -8y +16=0$

$x^2+y^2-6x-8y-16=0$

$x^2+y^2-6x\_8y+16=0$

$x^2+y^2 -6x -8y + 16 =0$

$\mathrm{\pi }$

$\mathrm{\pi }/2$

$2\mathrm{\pi }$

$\mathrm{\pi }/4$

$-\frac{231}{8}$

231

$\frac{231}{4}$

$\frac{231}{8}$

6

$5\sqrt{2}$

7

$5\sqrt{3}$

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

$x^2 +x + 3 = 0$

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

$x^2 + x-3 =0$

decreases by 4%

increases by 4%

increases by 5%

remains unchanged

A = 2

2y = 3

x =1

x + 3 = 0

$\frac{3}{2} units$

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

$\sqrt{3} units$

1 unit

240

60

120

480

$\underset{AD}{\to }=\underset{AB}{\to } +\underset{BC}{\to }$

$\underset{AD}{\to }= \underset{AF}{\to }+\underset{AE}{\to }$

$\underset{AD}{\to }= \underset{AB}{\to } +\underset{AC}{\to }$

$\underset{AD}{\to }=\underset{BE}{\to }+\underset{CF}{\to }$

9

-12

12

8

$\frac{1}{2}$

$\frac{1}{3}$

$\frac{2}{9}$

$\frac{1}{6}$

12

8

6

4

$\pm \frac{3}{2}$

$\pm 2$

1

$\pm 1$