Recently Active Questions

compute....................................................................................................... 1) *Image* 2) *Image* 3) *Image* where [ ] is the greatest integer function and n is an integer 4) *Image* 5) *Ima ...

*Image* Setermine the natural freuency of vibration of 100N disc , assume the disc does not slip on the incline surface.. ...

p,q € I such that p2 + q2 =30q2 +517 then the value of 3p2q2 will be???? a 169 b 488 c 588 d 688 ...

*Image* ...

Are the IIT foundation books enough? ...

\math{\frac{1}{sin45sin46}+\frac{1}{sin47sin48}+...\frac{1}{sin133sin134}}}=\frac{1}{sinN} . find minimum natural N. ...

http://rs700.rapidshare.com/files/226625791/MTG_BITSAT_EXPLORER_FROM_UR_TRULY_ACHINBANSAL.rar ...

with an expected jee rank around 2000-4000, what shud I do -? 1) Can I get admission with any good stream in any of the IIT's - (For god-sake leave out the new IITs) 2) Any chance of getting a computer-science course in any i ...

I'm appearing for Bstat. now ,many people including some of my teachers are saying not to stick rigidly to the level of their sample qsns, as they sometimes ask qsns that are lot tuffer than wat dey send us. Is it true? Do we ...

IF x,y belongs toR AND x2+y2+xy=1,then minimum value of x3y+xy3+4=? ...

A circle of radius 1 rolls ( without sliding ) along the x -axis so that its centre is of the form (t , 1 ) with t increasing. A certain point P touches the x-axis at the origin as the circle rolls. As the circle rolls furthe ...

arka bhaiya to chale NIT DGP!! n rest all when u get ur results do tell where r u joining[1] ...

Let |S| denote the number of elements in the set S while n(S) denote the number of subsets of S including itself and the null set. If A, B, C are sets for which n(A) + n(B) + n(C) = n(A U B U C) and |A|=|B|=100, find the mini ...

p2=a2Cos2θ+b2Sin2θ then prove that p+d2p/dθ2=a2b2/p3 ...

1. let ABCD be unit sqaure. Four points E F G nd G are chosen on the sides AB BC CD nd DA respectively. the lenghts of the sides the quadrilateral EFGH are a,b,c,d. which of the following is true?? a. 1<=a2+b2+c2+d2<=2 ...

find 1.22+2.32+3.42+.....to n terms ...

Q. A solution containing 2.675g of CoCl3. 6NH3 (molar mass = 267.5 g/mol) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO3 to give 4.78g of AgCl(molar mass = 143.5 ...

IITs are going to declare by May 2 , what measures will they take for rectifying the mistakes in JEE paper. Suppose u r the iit director. What step will u take to rectify the following mistakes? 1) physics maths sections exch ...

a friend is managing a GOOD TOTAL IN aieee but has got only 24 in MaTHEMATiCS will he clear SUBJECT WISE CUT OFF for """""MATHEMATICS???" ...

guys..i m right now in class 12th (enrolled in fiitjee)...i wanted to go for brilliant's test series(B Mat)....i just wanted to ask (those who have passed 12th can only tell)...that will it create problem going for two test s ...

Which one is greater: (31)11 or (17)14 plzz help....... ...

Not a dbt, If \int_{0}^{\frac{\pi}{2}}{\frac{dx}{a^2cos^2x+b^2sin^2x}}}}=\frac{\pi}{2ab} . Find \int_{0}^{\frac{\pi}{2}}{\frac{dx}{(4cos^2x+9sin^2x)^2}}}} . Quite easy. ...

Not dbts, but action here has slowed up a bit, so trying to bring them up.... 1) Reals x,y satisfy x^2+y^2+xy=1 . Find the minimum value of x^3y+xy^3 . 2) This is a bit common sum. (3+x^{2008}+x^{2009})^{2010} =\sum_{i=0}^{i= ...

thanks a lot bhaiya!n all friends n all TIITians as few guys don want me here naymore so i think i shud not trouble them and give them there wish so leaving........... but i liked this forum since always...n will keep visitin ...

For two satellites at a distance Reand 7re above the earth's surface ,the ratio of their ...

FIND MODULUS OF sin(x+iy) ...

For what values of the parameter a does the function f (x) = x3 + 3(a − 7) x2 + 3(a2 − 9)x −1 have a positive point of maximum? Solution: f '(x) = 3x2 + 6(a − 7) x + 3(a2 − 9) For f (x) to have a maximum at some poi ...

in the recent past kaymant sir had started numerous threads which has helped many in mean value theorems so can any forum expert start a similar thread on sandwich theorem as due to their experience they wud have come across ...

Prove the following: For every real valued function f differentiable on an interval [a,b] not containing 0 and for all pairs x1 ≠x2 in [a,b], there exists a point ξ in (x1, x2) such that \dfrac{x_1f(x_2)-x_2f(x_1)}{x_1-x_2 ...

A cue ball is hit such that when it strikes another ball, it travels with half its velocity V0 in the same direction. Assuming no friction, what is the velocity of the other ball after collision? ...