$-\frac{1}{4}$

$-\frac{1}{2}$

$\frac{1}{2}$

$\frac{1}{4}$

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

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

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

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

$\frac{1}{4}$

$\frac{3}{4}$

$\frac{1}{2}$

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

|x + 4| <3

|x -4|<3

|x +4| <4

|x -3|<4

4

8

-8

-4

16

2

4

-16

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

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

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

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

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

$-\frac{1}{x}$

$\frac{1}{x}$

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

2x + 3y -12=0

3x + 2y -12=0

2x + 3y -6 =0

3x + 2y -6 =0

$\frac{2}{3}$

3

2

$\frac{3}{2}$

0.101001000100001...

0.101101101101...

$\sqrt{11}$

$\mathrm{\pi }$

$x^2+y^2 + 10x -10 y -25=0$

$x^2+y^2+ 10 x + 10 y + 25 =0$

${x}^2+y^2-10x +10y -25=0$

${x}^2+y^2-10x-10y +25=0$

$15m /s^2$

$12m/s^2$

$18m /s^2$

$7m/s^2$

$(\frac{-5}{-12} \frac{12}{5})$

$(\frac{5}{-12} \frac{-12}{5})$

$(\frac{-5}{12} \frac{12}{5})$

$(\frac{-5}{12} \frac{-12}{-5})$

R একটি ফাংশন যার ডোমেন A

R একটি ফাংশন যার রেঞ্জ B

R একটি এক-এক ফাংশন

R একটি সার্বিক ফাংশন

$\frac{1}{11}$

$\frac{10}{99}$

$\frac{4}{33}$

$\frac{1}{10}$

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

$\frac{3\mathrm{\pi }}{2}$

$\mathrm{\pi }$

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

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

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

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

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

6N

7N

5N

8N

4

8

2

3

120

225

252

128 $\pm 8$

5

6

4

3

$\sqrt{3}$

$\sqrt{2}$

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

$\frac{1}{\sqrt{3}}$

$30°$

$60°$

$90°$

$45°$

-3

5

-5

3

$\frac{1}{12} sq units$

$\frac{1}{3} sq units$

$\frac{1}{2} sq units$

$\frac{1}{6} sq units$

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

$\frac{1}{2}$

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

$\frac{1}{\sqrt{3}}$

61

47

45

49

x +3y -6=0

x +y -9 =0

x -3y -6=0

x +5y -9 =0

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

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

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

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