6

4

18

27

5:4

3:4

4:5

4:3

8 Square unit

6 Square unit

12 Square unit

9 Square unit

-2 and 1

2 and -1

2 and 1

-2 and -1

$n^2=c^2(1+m^2)$

$c^2=m^2+n^2$

$m^2{c}^2=c^2-n^2$

$n^2+c^2=m^2$

$\frac{1}{2}$

$\frac{5}{11}$

$\frac{6}{11}$

$\frac{3}{5}$

পরাবৃত্ত

উপবৃত্ত

অধিবৃত্ত

সমঅধিবৃত্ত

3A

A

3AI

-A

$x^2+6x+13=0$

$x^2-6x+15=0$

$x^2-6x+17=0$

$x^2-6x+13=0$

1

2

3

(1,0)

(1,1)

(0,1)

(0,0)

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

$\sqrt{3}$

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

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

$\frac{1}{4}$

$\frac{1}{2}$

$\frac{3}{4}$

1

$|x^2-1|<\frac{21}{100}$

$|x^3-1|<\frac{21}{100}$

$|x^2-1|<\frac{1}{100}$

None of these

a = not b

$\frac{a}{b}=2$

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

Both B & C