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

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

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

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

$60°$

$135°$

$90°$

কোনোটিই নয়

-1+i

1-i

-1

$\pm (1+i)$

-cosA

sinA

-sinA

cosA

$(b^2-4ac)<0$

$(b^2-4ac)=0$

$(b^2-4ac)>0$

কোনোটিই নয়

$A \cup A= A$

$A \cap A= A$

$A \cap \varnothing = A$

কোনোটিই নয়

$\frac{22}{7}$

$\frac{10}{3}$

0.5

0

1

-1

$\pm 1$

$(-1{)}^n$

1

-i

$\sqrt{2}$

$-2$

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

$1+x^2$

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

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

xlnx -x+c

tan x - x + c

cot x - x + c

-cot x + c

tanx -x + c

log x + c

x log x - x + c

x log x - x + c

$120°$

$90°$

$150°$

$45°$

0

100

1

50

$\frac{1}{4}$

$\frac{1}{2}$

$\frac{1}{3}$

$\frac{1}{25}$

$e^y-1$

1

-1

0

120

3420

105

কোনটিই নয়

1

$\sqrt{2} \cos 20$

0

$\sqrt{2} \sin 20$

a=1, b=i

a=0, b=0

a=1, b=1

a=-1, b=-1

-5

0

5

-1

$\frac{-\mathrm{\pi }}{60}\cos 3x°$

$\frac{\mathrm{\pi }}{60}\sin 3x°$

$\frac{-\mathrm{\pi }}{60}\sin 3x°$

কোনোটিই নয়

x +y = 2

x +y = 1

x -y = 2

x - y = 1

$2\sin 2x + c$

$-2\sin 2x + c$

$\frac{1}{2}\sin 2x + c$

$\frac{1}{2}\cos 2x + c$

r = a

$r = a \cos \theta$

$r = a\sin \theta$

$r = a^2$

একই সরলরেখা

সমান্তরাল

লম্ব

কোনোটিই নয়

${\tan }^{1}e$

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

${\tan }^{-1}e-\frac{\mathrm{\pi }}{4}$

${\tan }^{-1}e+\frac{\mathrm{\pi }}{4}$

$x^2+y^2=ax$

$x^2+y^2=a^2$

$xy=a^2$

$x^2+y^2+ax =0$

$4a^{3}t$

$\frac{-1}{t}$

t

$\frac{1}{t}$

$(-\sqrt{3},1)$

$(\sqrt{3},-1)$

$(-\sqrt{3},-1)$

কোনটিই নয়

35

90

100

45

$-1\le \sin \theta \le 1$

$-1 <\sin \theta < 1$

$0\le \sin \theta \le 1$

$0<\sin \theta < 1$

$2 + \sqrt{3}$

$-2 + \sqrt{3}$

$-2 - \sqrt{3}$

$2 - \sqrt{3}$

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

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

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

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

0

$\mathrm{\pi }$

1

2

$\frac{\mathrm{\pi }}{32}$

$\frac{9\mathrm{\pi }}{32}$

$\frac{2\mathrm{\pi }}{32}$

$\frac{5\mathrm{\pi }}{32}$

(2,3)

(3,0)

(2,0)

(4,0)

m =0

m =2

m =6

m =3

5

$\frac{8}{5}$

8

$8$

$\frac{1}{2}(1-\cos 2x)$

$\frac{1}{2}(1+\cos 2x)$

$(1-\cos 2x)$

$(1+\cos 2x)$

-5

5

-4

4

tanx - secx + c

secx - tanx +c

tanx - secx

tanx + secxc+ c

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

$\frac{\log a}{a^x}$

$\frac{a^x}{\log a}$

কোনোটিই নয়

$6\sqrt{2}$

$12\sqrt{2}$

$\sqrt{85}$

6

$3\mathrm{\pi }$

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

$\mathrm{\pi }$

$2\mathrm{\pi }$

2

-2

0

$\infty$

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

$4{\mathrm{\pi r}}^2$

$\frac{4}{3}{\mathrm{\pi r}}^2$

$4\mathrm{\pi r}$

2A

$\mathrm{\pi }-\mathrm{A}$

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

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

e

-e

2

1

a$\ne$0

a=0

b$\ne$0

c$\ne$0