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cn ne1 tell me where 2 iitjee 2010 unsolved paper... im gettin only solved ones!!! ...

A STUDENT IS ALLOWD 2 SELECT ATMOST 10 BUKS FRM COLLECTOIN OF 2N+1 BUKS .IF NO OF WAYS IN WICH HE SELECT AT LEAST 1 BUK IS 63,FIND N" [3 ...

The first two terms of an infinite G. P. are together equal to 5, and every term is 3 times the sum of all the terms that follow it; find the series. ...

Sad new year 2011. ...

hey frnds...to crack iit one shud need coaching ri8 4m his class 8th or 9th?...now am in 12 ri8 now gng 2 write iit xam soon..nd now i have no faith that i will get iit...and i dint took any coachings at my 9th or 10th classe ...

the angle b/w the lines whose direction cosines satisfy the equations l + m + n = 0 , l2 + m2 - n2 = 0 is given by ...

draw the graph of sec-1x and cosec-1x ...

prove that f(x)=\frac{ax^{2}+x-2}{a+x-2x^{2}} has the range R when x belongs to R if a\epsilon [1,3] ...

For a radioactive decay reacn. : X -> Y + q a ( where q is the no. of stoichiometric coefficient ) Following graph was observed : http://img849.imageshack.us/i/62431305.png/ If the ratio of the volume of the emitted helium ...

If \frac{x(y+z-x)}{log(x)}=\frac{y(z+x-y)}{log(y)}=\frac{z(x+y-z)}{log(z)} , prove that: y^z.z^y=z^x.x^z=x^y.y^x ...

1) Evaluate the limit: \lim_{n\to\infty} |\sin (\pi\sqrt{n^2+n+1})| 2) Prove that \lim_{n\to \infty}n^2 \int_0^{1/n} x^{x+1}\ \mathrm dx=\dfrac{1}{2} 3) Find the real parameters m and n such that the graph of the function f(x ...

The locus of the mid-point of the line segment joining the focus to a moving point on the parabola y2=4ax is another parabola with directrix? ...

Let f:[0,2]→R be defined by f(x)=\sqrt{x^3+2-2\sqrt{x^3+1}}+\sqrt{x^3+10-6\sqrt{x^3+1}} Find the indefinite integral of f w.r.t x. ...

This Question came in my Boards. I solved it, but my friends are getting other answer. So I'm afraid that I lost 4 marks. (Since I know they have studied Chemical Equilibrium more than me and other reason is that his answer w ...

Find the locus of the points of intersection of tangents drawn at the ends of all normal chords of the parabola y2=8(x-1). ...

Given that \int_{-\infty}^{\infty} e^{-x^2}\ \mathrm dx=\sqrt{\pi} evaluate the integral I=\int_0^\infty \dfrac{1}{\sqrt{x}}\ e^{-x}\ \mathrm dx ...

The bob of a simple pendulum is a hollow sphere filled with water . how will the period of oscillation change if the water begins to drain out of the hollow sphere ? ...

Find the remainder when 599 is divided by 13? ...

1) Prove: \left|\begin{array}{cccc} 1+a_1 & 1 & \cdots & 1\\1 & 1+a_2 & \cdots & 1\\\vdots & \vdots & \ddots & \vdots \\1 & 1 & \cdots & 1+a_n\end{array}\right| = a_1a_2\cdots a_n \left(1+\dfrac{1}{a_1}+ \dfrac{1}{a_2}+\ldots ...

Nine gallons are drawn from a cask full of wine; it is then filled with water, then nine gallons of the mixture are drawn, and the cask is again filled with water. If the quantity of wine now in the cask be to the quantity of ...

what is the frequency of the K.E of a body in S.H.M if the time period of S.H.M is T ? ...

A helicopter can hover when the power output of its engine is " P " . A second helicopter is an exact copy of the first one, but its linear dimensions are half those of the original. What power output is needed to enable this ...

in a simple pendulum the breaking strength of the string is double the weight of the bob. the bob is released from rest when string is horizontal. if the sting breaks when it makes an angle ∞ with the vertical. then find ∠...

India beat Pakistan, enter world cup final India have won their cricket World Cup semi final match against arch-rivals Pakistan by 29 runs. Hope we win the world cup this time.. *Image* Keep your finger crossed:() ...

*Image* whcih theorem to use for solving option c and d ...

*Image* which concept is involved here? ...

which concept is involved here? *Image* ...

hiii subho! its been ages since i talked to u!! how are u?! ...

*Image* In the soln its given that no three planes can meet at two distinct points. But we can have infinite number of planes through a given line. isnt it? Plese clarify ...

$ \displaystyle\prod_{n=1}^{15}cos\left(\frac{n\pi}{15}\right)=$\\\\ ...