(9,6)

(2,3)

(3,6)

(6,9)

10

6

12

8

$\pi$

0

1

$2\pi$

${\pi }^{2}g$

${\pi }^2{g}^2$

${\pi }^3$

$g\pi$

-tanx

tanx

cotx

cosx

$– 4 < x < 4$

$– 4 \le x \le 2$

$– 4 < x < 2$

$2 < x < 4$

$(-1{)}^r xr$

$(-1{)}^r$

$(-1{)}^{r-1} x^{r-1}$

$(-1{)}^r-1$

$\frac{29}{7}$

$\frac{13}{3}$

7

$\frac{29}{17}$

9

8

7

6

$(2,\pm 4\sqrt{2)}$

$(2,4\sqrt{2)}$

$(2,-4\sqrt{2)}$

$(4\sqrt{2},\pm 2)$

$x+y \pm \sqrt{2} = 0$

$x+y\pm 2 \sqrt{2} = 0$

$x+y\pm 4\sqrt{2}=0$

x + y – 3 = 0

${\cos }^{-1}\left(-\frac{4}{\sqrt{286}}\right)$

${\cos }^{-1}\left(-\frac{1}{13}\right)$

${\cos }^{-1}\left(-\frac{1}{26}\right)$

${\cos }^{-1}\left(-\frac{1}{65}\right)$

$x > - 1$

$0 < x \le 1$

$x > - 2$

$1 < x < 2$

$A’\cap B’$

$A’\cup B’$

A-B

$A\cap B$

$\left(1-\sqrt{3}\right)$গুন

2 গুন

$\left(1+\sqrt{3}\right)$গুন

$\sqrt{7}$গুন

tanx – secx + c

cotx – tanx + c

tanx – cotx + c

cosecx – cots + c

$S_n=\frac{1}{2}\left[n\left(n+1\right)\left(n+2\right)\right]$

$S_n=\frac{1}{3}\left[\left(n+1\right)\left(n+2\right)\right]$

$S_n=\frac{1}{3}\left[n\left(n+1\right)\left(n+2\right)\right]$

$S_n=\frac{1}{2}\left[\left(n+1\right)\left(n+2\right)\right]$

$\frac{1}{2}$

$-\frac{1}{2}$

$\frac{7}{3}$

$\frac{9}{7}$

x < 6 অথবা x > 1

x < 1 অথবা x > 6

x < 1 অথবা x > 9

x < 6 অথবা x < 9

অধীন

স্বাধীন

পরিপূরক

অনিশ্চিত

$693.2 m{s}^{-1}$

$234.43 m{s}^{-1}$

$493.07 m{s}^{-1}$

$984.98 m{s}^{-1}$

$\pi$

$\frac{\pi }{8}$

$\frac{\pi }{2}$

$\frac{\pi }{4}$

160.42s

16.42s

60.42s

106.42s

9 গুণ বাড়বে

3 গুণ কমবে

3 গুণ বাড়বে

9 গুণ কমবে

127.7Watt

182.7Watt

1827.7Watt

827.7Watt

$819˚C$

$1432˚C$

$132˚C$

$132$

তড়িৎ লুপ তড়িৎ দ্বিমেরুর মত আচরণ করে।

তড়িৎ লুপ তড়িৎ পারবাহীর মত আচরণ করে।

তড়িৎ লুপ তড়িৎ চৌম্বক দ্বিমেরুর মত আচরণ করে।

তড়িৎ লুপ তড়িৎ অপরিবাহীর মত আচরণ করে।

2.97 eV

5.67 eV

4.67 eV

2.484 eV

10

18

16

20

ভারী বস্তুর

হালকা বস্তুর

উভয়ের ভরবেগ সমান

মোট ভারবেগ শুন্য

$3.6\times {10}^8{m}^{-1}$

$2.6\times {10}^8{m}^{-1}$

$2.9\times {10}^8{m}^{-1}$

$5.6\times {10}^8{m}^{-1}$

60dB

50dB

20dB

40dB

3cm

8cm

5cm

7cm

0.025 m/s

0.05 m/s

0.91 m/s

$0.03m{s}^{-1}$

25 Hz

50 Hz

75 Hz

80 Hz

8.33m

3.99m

7.67m

6.66m

$19.83˚$

$18.83˚$

$18.43˚$

$20.40˚$

0.25A

$0.{125}^a$

0.0125A

0.025A

50

450

500

350

$7.25\times {10}^{-2}N{m}^{-2}$

$7.1\times {10}^{-2}N{m}^{-2}$

$7.3\times {10}^{-2}N{m}^{-2 }$

$7.5\times {10}^{-2}N{m}^{-2 }$

+3

+2

+4

+6

$K_3\left[Fe\right(CN{)}_6]$

$N{a}_4\left[Fe\right(CN{)}_6]$

$F{e}_4\left[Fe\right(CN{)}_6{]}_3$

$\left[Fe\right(NO{)}_3{]}_3$

এসিটিক এসিড

ডাইইথাইল ইথার

ইথাইল এসিটেড

ইথাইল সালফোনেট

$CuC{O}_3. Cu(OH{)}_2$

$2CuC{O}_3. Cu(OH{)}_2$

CuO

$CuSi{O}_3. 2H_{2}O$

FeSCN

$\left[Fe\right(SCN\left)\right(H_{2}O) 5{]}^{2+}$

$K_3\left[Fe\right(CN{)}_6]$

$KFe\left[Fe\right(CN{)}_6]$

Ni 50%, Cu 40%, S10%

Ni 60%, Cu 30%, S10%

Ni 55%, Cu 30%, S15%

Ni 75%, Cu 20%, S5%

1

100

1000

10000

$1.01325\times {10}^5 N{m}^{-2}$

$101.325 N{m}^{-2}$

$10.1325 N{m}^{-2}$

$760 N{m}^{-2}$

$6.023\times {10}^{23}$

$6.84\times {10}^{22}$

$6.023\times {10}^{22}$

$68.4\times {10}^{22}$

AgF

AgCl

AgBr

AgI

that

goes

the doctor

returns

not

discuss

take-home

with each other

never

an

to visit

native

carry

genetic

can produce

organism

more easier

a

these

than

under a lot of pressure

within control

shoeing violence

under a threaten

in a good position

in a danger

at fault

at random

make a strong decision

impose a decision

make a quick decision

make a final decision

welcoming

strong and healthy

cordial

benevolent

strong

weak

weakness

mistake