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\int_{0}^{\infty}{e^{-x^2}dx}=\sqrt{\frac{\pi }{2}} then find value of \int_{0}^{\infty}{e^{-ax^2}dx},a>0 ...

C-O bond order lowest in ? [Mn(CO)6]+ [Fe(CO)6]+ [Cr(CO)6]+ [V(CO)6]+ ...

Find f(x) if \int_{0}^{a}{f(x)dx}=\frac{6a-sin2a}{4};a>0 ...

*Image* Ques1) The above figure shows an arrangement to measure the emf and internal resistance of the battery. Suppose the voltmeter reads 1.52 v when the switch S is open. When the switch is closed the voltmeter reading dro ...

Ques1) Show that the extremum value of the function f(x) = 1 / (sinx+4) - 1 / (cos x -4), where x belongs to R is 2 2 / (4 2 + 1). Ques2) If a2x4 + b2y4 = c6, then show that the max value of xy is c3 / 2ab . Ques3) If x7 - x5 ...

Find the number of solutions of equation sinx+2sin2x=3+sin3x ,x ε[0,π] ...

wat is the allotted time for each sub in papers 1 and 2 in JEE 2010? ...

Can anyone pls tell me a few sites frm where i can download iit-jee books or other notes i.e e-books? ...

*Image* In the circuit shown the battery is ideal, with emf V. The capacitor is initially uncharged. The switch S is closed at time t=0. We have to calculate the charge Q on the capapcitor at time t. From my point of view, th ...

Use the Pigeon-Hole Principle to derive Euler's totient function....[62] ...

In Searle's experiment, which is used to find out Young's modulus of elasticity, diameter of the experimental wire D=0.050 cm and length L=110.0 cm. A weight of 50 N causes and extension of X=0.125 cm. The maximum possible er ...

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1.Gas that strikes in thundering of light is: (a) CO (b) NO (c) CO2 (d) H2 ...

If tan^{-1}(x+h)=tan^{-1}x+(hsiny)(siny)-(hsiny)^2.\frac{sin2y}{2}+(hsiny)^3.\frac{sin3y}{3}+..........\infty if x\epsilon (0,1),y\epsilon (\frac{\pi }{4},\frac{\pi }{2}) then y = ? ...

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\int_{-1}^{1}{\frac{sinx-x^2}{3-[x]}}dx ...

For some g,let f(x)=x(x+3)eg(x) be a continuous function. If there exists only one point x=d such that f'(d)=0,then find interval in which d lies. ...

f(x)=sin(x-a)/sin(x-b) Find prove that f(x) assumes maximum or minimum values for a-b=nπ ,n ε I ...

\lim_{x\rightarrow 0}\int_{0}^{x}{\frac{t^2dt}{(x-sinx)\sqrt{a+t}}}=1 ...

A gaseous mixture of O2 and X containing 20% (mole%) of X, diffused through a small hole in 234 second, while pure O2 takes 224 seconds to diffuse through the same hole. Find the molecular weight of X ??????????? Please expla ...

*Image* Is the compound opticaly active?? ...

Find the maximun and minimum value of : 4 sin2 x + 3 cos2 x + sin x/2 + cos x/2 ...

Many many Happy returns of d day yaar!! Wishig u a gr8 yr ahead!! :) Take care.. :) ...

*Image* plz provide solution!!!! ...

two wires od same length are made of same marterial F→LOAD AND ΔX→EXTENSION which one is√ more stiff √more elastic √more cross sectionalarea give reasons *Image* ...

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Doubt 1 : What is an increasing function ? Doubt 2 : If b>a then the eqn. (x-a)(x-b)-1=0 has A. both roots in [a,b] B.both roots in (-∞,a) C. both roots in (b,+∞) D. One root in (-∞,a)and the other in (b,+∞) Doubt ...

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*Image* explain y c is correct??????? ...