Question and Answers Forum

AllQuestion and Answers: Page 257

Question Number 193458 Answers: 1 Comments: 1

lim_(x→0) (((1−cos(x))/(x sin(x)))) = ???

$$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\left(\frac{\mathrm{1}−\mathrm{cos}\left(\mathrm{x}\right)}{\mathrm{x}\:\mathrm{sin}\left(\mathrm{x}\right)}\right)\:=\:\:\:??? \\ $$

Question Number 193449 Answers: 1 Comments: 4

Question Number 193448 Answers: 1 Comments: 0

Question Number 193439 Answers: 1 Comments: 2

∫^(π/2) _( 0) (((tanx))^(1/3) /((sinx+cosx)^2 ))dx

$$\underset{\:\:\mathrm{0}} {\int}^{\pi/\mathrm{2}} \frac{\sqrt[{\mathrm{3}}]{{tanx}}}{\left({sinx}+{cosx}\right)^{\mathrm{2}} }{dx} \\ $$

Question Number 193438 Answers: 1 Comments: 0

Question Number 193437 Answers: 0 Comments: 0

in the malicol of CaCO_3 how many σ and π bond has?

$$\mathrm{in}\:\mathrm{the}\:\mathrm{malicol}\:\mathrm{of}\:\mathrm{CaCO}_{\mathrm{3}} \:\mathrm{how}\:\mathrm{many} \\ $$$$\sigma\:\mathrm{and}\:\pi\:\mathrm{bond}\:\mathrm{has}? \\ $$

Question Number 193436 Answers: 1 Comments: 0

((sin(x+18^o ))/(sin(48^o )))=((sin(x))/(sin(18^o )))

$$ \\ $$$$\frac{{sin}\left({x}+\mathrm{18}^{{o}} \right)}{{sin}\left(\mathrm{48}^{{o}} \right)}=\frac{{sin}\left({x}\right)}{{sin}\left(\mathrm{18}^{{o}} \right)} \\ $$$$ \\ $$

Question Number 193435 Answers: 1 Comments: 1

Question Number 193426 Answers: 1 Comments: 0

∫((x^3 +1))^(1/3) dx=? solution?

$$\int\sqrt[{\mathrm{3}}]{\mathrm{x}^{\mathrm{3}} +\mathrm{1}}\mathrm{dx}=? \\ $$$$\mathrm{solution}? \\ $$

Question Number 193423 Answers: 3 Comments: 0

when tan(θ/2)=(1/a) then find cosθ=? from the a

$$\mathrm{when}\:\:\:\mathrm{tan}\frac{\theta}{\mathrm{2}}=\frac{\mathrm{1}}{\mathrm{a}} \\ $$$$\mathrm{then}\:\mathrm{find}\:\mathrm{cos}\theta=?\:\mathrm{from}\:\mathrm{the}\:\mathrm{a} \\ $$

Question Number 193414 Answers: 2 Comments: 0

Question Number 193411 Answers: 2 Comments: 1

$$\:\:\:\:\: \\ $$$$ \\ $$

Question Number 193410 Answers: 2 Comments: 0

{ ((x=(√(3−(√(5+2(√3))))))),((y=(√(3+(√(5+2(√3))))))) :} x

$$\:\:\begin{cases}{\mathrm{x}=\sqrt{\mathrm{3}−\sqrt{\mathrm{5}+\mathrm{2}\sqrt{\mathrm{3}}}}}\\{\mathrm{y}=\sqrt{\mathrm{3}+\sqrt{\mathrm{5}+\mathrm{2}\sqrt{\mathrm{3}}}}}\end{cases}\: \\ $$$$\:\:\:\:\underbrace{\boldsymbol{{x}}} \\ $$

Question Number 193409 Answers: 0 Comments: 0

⋐

$$\:\:\:\Subset \\ $$

Question Number 193408 Answers: 1 Comments: 0

$$\:\underline{\underbrace{ }} \\ $$

Question Number 193405 Answers: 0 Comments: 0

Question Number 193399 Answers: 1 Comments: 0

Question Number 193398 Answers: 1 Comments: 0

Question Number 193391 Answers: 2 Comments: 0

Question Number 193390 Answers: 0 Comments: 0

A ship X sailing with a velocity (21 kmh 052⁰) observes a light from a lighthuse due North. The bearing of the liglhthouse from the ship 20 minutes later is found to be 312. calcuate correct to thre sigificant figures i) the orignal distance when the lighthoues is due West of the ship from the time when it is due North of the ship. ii) the time in minutes, when the lighthouse is due West of the ship from the time when it is due North of the ship. iii) the distance in km of the ship from then lighthoue when the lighthouse is due West of the ship

$$ \\ $$A ship X sailing with a velocity (21 kmh 052⁰) observes a light from a lighthuse due North. The bearing of the liglhthouse from the ship 20 minutes later is found to be 312. calcuate correct to thre sigificant figures i) the orignal distance when the lighthoues is due West of the ship from the time when it is due North of the ship. ii) the time in minutes, when the lighthouse is due West of the ship from the time when it is due North of the ship. iii) the distance in km of the ship from then lighthoue when the lighthouse is due West of the ship

Question Number 193389 Answers: 0 Comments: 0

Question Number 193387 Answers: 0 Comments: 1

Question Number 193385 Answers: 1 Comments: 0

Question Number 193381 Answers: 1 Comments: 0

Question Number 193377 Answers: 1 Comments: 1

Evaluate I=∫_0 ^( ∞) (1/(x^5 +x^4 +x^3 +x^2 +x+1))dx

$${Evaluate} \\ $$$${I}=\int_{\mathrm{0}} ^{\:\infty} \frac{\mathrm{1}}{{x}^{\mathrm{5}} +{x}^{\mathrm{4}} +{x}^{\mathrm{3}} +{x}^{\mathrm{2}} +{x}+\mathrm{1}}{dx} \\ $$

Question Number 193375 Answers: 0 Comments: 0

Quantitative Reasoning Example: P_4 +M_3 =16 M_4 −P_3 =18, P_5 +M_3 =2 Find: P_6 +M_4 =? P_5 −M_8 =? M_3 +M_2 =? M_5 −P_(10) =?

$${Quantitative}\:{Reasoning} \\ $$$${Example}:\:\:{P}_{\mathrm{4}} +{M}_{\mathrm{3}} =\mathrm{16} \\ $$$${M}_{\mathrm{4}} −{P}_{\mathrm{3}} =\mathrm{18},\:{P}_{\mathrm{5}} +{M}_{\mathrm{3}} =\mathrm{2} \\ $$$${Find}: \\ $$$${P}_{\mathrm{6}} +{M}_{\mathrm{4}} =? \\ $$$${P}_{\mathrm{5}} −{M}_{\mathrm{8}} =? \\ $$$${M}_{\mathrm{3}} +{M}_{\mathrm{2}} =? \\ $$$${M}_{\mathrm{5}} −{P}_{\mathrm{10}} =? \\ $$$$ \\ $$

Pg 252 Pg 253 Pg 254 Pg 255 Pg 256 Pg 257 Pg 258 Pg 259 Pg 260 Pg 261

Contact: info@tinkutara.com