$ab\sin \theta$

$ab\cos \theta$

$ab\theta$

কোনোটিই নয়

$90°$

$0°$

$45°$

$180°$

$3x^2 + 2x +1 = 0$

$3x^2 - 2x -1 = 0$

$3x2 + 2x -1 = 0$

$3x^2 - 2x +1 = 0$

$\frac{u^2}{g}$

$\frac{u}{2g}$

$\frac{2u^2}{g}$

$\frac{u^2}{4g}$

$\sqrt{x-1}$

$x^{1/3}-1$

${\left(x^3+1\right)}^{-1}$

$\sqrt[3]{x-1}$

-5

5

-10

10

$x\le 0$

$1\le x$

$0\le x\le 1$

$x\le 0$ $x\le 0$অথবা $1\le x$

-1

1

0

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

12x - 5y =0

12x + 5y = 0

5x -12y = 0

5x +12y = 0

$\frac{a^{n+1}}{n+1}$

0

$n{a}^{n-1}$

$a^n$

$c^2 = 4b$

$b = c^2$

$b^2 = 4c$

$b = c$

1

0

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

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

secx

cosx

tan2x

cos2x

$2n\pi$

$(2n+1)\pi$

$(2n-1)\pi$

কোনোটিই নয়

$\frac{1}{4}$

2

4

$\frac{1}{2}$

$0°$

$30°$

$45°$

$90°$

20

34

28

22

tan(bx + c)

btan(bx+c)

ctan(bx+c)

bsc(bx+c)

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

${\left(1+x\right)}^2$

$\frac{1}{{\left(1-x\right)}^2}$

$\frac{1}{\left(1-x\right)}$

(0, 1)

(1, 0)

(0, -1)

(-1, 0)