Recently Active Questions

1) \lim_{x\rightarrow 0} (\frac{1}{sinx}-\frac{1}{x}) 2) \lim_{n\rightarrow \propto } \frac{4^{n}+3^{n}}{4^{n}-3^{n}} 3) \lim_{x\rightarrow 0} \frac{\tan^{-1}x-\sin^{-1} x }{x^{3}} ,, LH not working ...

\int \frac{cos\: 2x-cos\:2\alpha }{cos\:x-cos\:\alpha }dx ...

1+2log_{x+2}5 = log_{5}(x+2) ...

\lim_{x\rightarrow \propto } (x- ln coshx) where cosh t=\frac{e^{t}+e^{-t}}{2} ...

is broadband internet connection free at night?? if yes, from what time.... and for which scheme is it applicable?? ...

Let P(x) = x2 + bx + c where b and c are integer. If P(x) is a factor of both x4 + 6x2 + 25 and 3x4 + 4x2 +28x +5 , find the value of P(1). ...

Hey guys.. I am a dropper with AIR of 778 in IIT JEE this year.. I currently study Comp Sci at NIT Trichy.. and this year I have been allotted IIT Roorkee Comp Sci.. I just want to know how good is IIT Roorkee as compared to ...

Given 2 positive integers a,b satisfying a< b . Prove that among every b consecutive positive integers there are two numbers whose product is divisible by ab . ...

Fig shows 2 identical blocks of mass m kept on a smooth floor. Block A is connected with a just straight string and block B is connected to rear wall with a relaxed spring. Assume that the floor of the car is smooth and exert ...

\lim_{x\rightarrow \propto } \frac{n^{k}cos(n!)}{n+1} 0<k<1 ...

If k=at1(1+t22) ,h=-a(t12+t22 +2) and t1t2=-4 then eliminate t1 and t2. ...

this statement was told by whom and about what ? Here in the place of that Hijli Detention Camp stands the fine monument of India, representing India's urges, India's future in the making. This picture seems to me symbolical ...

find the derivative of mod(cosx) +mod(sinx) at x=2Ï€/3 ...

Sat, Jul 3 12:55 PM New Delhi, July 3 -- Just as the IIMs had to cope with glitches in their online entrance process, the IITs (Indian Institutes of Technology) are also drawing flak for the online admissions introduced this ...

which is better- civil, mechanical or electrical ? plz dont write " it depends on ur interest" .... i m ready to take any of the three . ...

2.A + B + C = 180 prove that cos A/2 + cos B/2 + cos C/2 = 4cos(∏-A)/4 . cos(∏-B)/4 . cos(∏-C)/4 ...

1) What is detonating gas? 2)When the mixture of MgCO3 & CaCO3 was heated for a long time, the weight decreased by 50%. Calculate the percentage composition of the mixture. 3)Calculate the weight of V2O5 produced from 2g of V ...

1)Find the equation to the straight line which passes through the given point (x',y') and is such that the given point bisects the part intercepted between the axes. 2) Find the eauation to the straight line which passes thro ...

guys.............. i m not finding my 12th pass certificate,i m really tensed n confused. i had it a few days back,now it is nowhere.i have searched it everywhere but i m unable to find it................... I m required to s ...

Prove that sin 27°=1/4(√3+√5-√3-√5) ...

If cos(α-- 3θ) cos3θ =sin(α-- 3θ) sin3θ =m prove that cos α=2--m^2 m. TRIGNOMETRY ...

Factorize x(x+5)(x+7)(x+12) + 150 ...

Everyone of you might have read that the electric field inside the conductor is 0 as the free electrons migrate to the surface of the conductor..... but how does the electric current exist inside the conductor. Electric curre ...

guys.............. i m not finding my 12th pass certificate,i m really tensed n confused. i had it a few days back,now it is nowhere.i have searched it everywhere but i m unable to find it................... I m required to s ...

guys.............. i m not finding my 12th pass certificate,i m really tensed n confused. i had it a few days back,now it is nowhere.i have searched it everywhere but i m unable to find it................... I m required to s ...

From 200 mg of carbon-dioxide,1021 molecules are removed.The amount of carbon-dioxide left is: a)120 mg b)150 mg c)126.9 mg d)100mg. ...

will the first year syllabus in non-iits be of any use for IIT JEE ? ...

A curious phenomenon was observed by an experimenter working with a very sensitive galvanometer while sitting on a chair at a table. The galvanometer was secured on a wall and its ends of its winding were connected to an open ...

q.) d activity of a radioactivity isotope falls to 12.5% in 90 days. find decay constant. this ques. is solved in p bahadur.... it has used d eq. - K= 2.303/90 log 100/12.5 but d eq. shud be K= 2.303/90 log 100/87.5 na? since ...

find range of- y= tax(x + pi/12 ) / tax(x - pi/12 ) ...