Recently Active Questions

if the line normal at [ct,c/t]on the curve xy=c2meets the curve again in tithen prove that ti =-1/t3 ...

an ellipse haas ob as semi minor axis ,f and k as focii and the angle fbk is a right angle.then the eccentricity of the ellipse is ...

three normals are drawn from a point [c,o] to a parabola y2=x then c> ? ...

no of solutions of the equation: sin2x + sin22x - sin23x - sin24x=0 lying in the inteval (0, pi/2]. a)4 b)2 c)3 d)5 (one answer correct.. three marks question...)... so hope there has to be some trick to solve this one... ...

let R be a rectangle of length 2 and breadth 1.Consider ny quadrilateral which has one vertex on each side of R. a,b,c, and d denote the lengths of the sides of the quadrilateral.. the value of 't' satisfying a2+b2+c2 ...

in the neighbourhood of a rational no. there lie two irrationals..and vice versa.. ...

can u tell me y the following trend is difft. d 1st ionization enthalpy values of gp 13th B Al Ga In Th 801 577 579 558 589 ...

A compound AX2 reacts with another compound BY in a redox reaction.X is an element in AX2 with oxidation number +3.Y is an element in BY with oxidation number -2.In one of the products CX , X has oxidation number +1.The other ...

wats the difference between monds process and van-arkel process ...

a convex lens is placed betwn an object and d screen wich r a fix d distnce apart for one position of d elns the magnification of d image is m1 wich is obtaind on d screen , when d lens is moved by a idstnce d the magnificati ...

hey i m in 11th std right now...i think the first step to clear jee is to get ur hands on right buks.....so can u all plz suggest me some gud buks for jee preps....i also have bt materials wid me so accept that which other bu ...

The *Image* The slighly less colored ball hits the 3 balls which are touching each other. The three balls at the back are at rest. The fourth ball hits the three simultaneously.... Find the velocity of the 4 balls after colis ...

if all d species r in their std states wich of d follwin is d strongest oxidisin agent ? a)Br- b)Zn(2+) c)Co(+3) d)Fe(+2) i can do this q if i wer given d ECS ........bt no values r given so plez tellme d oncept 2 solve s ...

If y2=P(x) is a polynomial of degree 3 then 2d/dx{y3d2y/dx2} =? ...

find all functions f:R->R such that for all x,y belonging to - R f(f(x)+y)=f(x2-y) + 4yf(x) this has a two line answer!! ...

in the neighbourhood of a rational no. there lie two irrationals..and vice versa.. ...

In a Lattice structure, The atoms have small spaces between them. These spaces are filled by another atom! (of course smaller in size) so that they just touch the larger ones(These smaller ones are the largest ones possible w ...

Why on increasing the alkyl chain + I effect of alkyle groups increases/ ...

What is a conjugate system?(conjugation) how can we identify conjugate system/.. what points should be kept in mind while identifying conjugate systems? ...

Hey.. IIT JEE 09 Application forms available from today. For more information.. http://www.iitg.ernet.in/jee/bankbranch.htm. AVAILABILITY OF APPLICATION FORMS Application Fee for JEE-2009 Cost of application material (both on ...

if earth is taken 2 b a solid sphere and a tunnel is dug along d diameter of d earth and a body is thrown in d tunnel then how is d body going 2 show s.h.m? d thing is i know by time period formula dat can b proved. bt i ...

Find mu for the rod of mass m to be in equilibrium. Both blocks are fixed. *Image* ...

Q.A man tells lie every three out of 4 times .whats the probablity that he will report the outcome 6 of a die ...

If f(x)=(sin3x+Asin2x+Bsinx)/x5. when x is not equal to 0. Find A and B given that the function is continuous at x=0 and also find f(0)! ...

a)Let f(x+y)=f(x)+f(y) for all x and y and if the function is continuous at x=0, then show that the function is continuous at all x. b)If f(x.y)=f(x).f(y) for all x and the function is continuous at x=1. Prove ...

a 5D lens forms a virtual image wich is 4 tyms d object placed perpendicular on d principal axis of d lenx find d distnce of d objct frm d lens ...

Let f(x)=lim (x2n - 1)/(x2n +1) , then n→∞ a) f(x) = 1 for /x/ >1 b) f(x) = -1 for /x/<1 c) f(x) is not defined for any value of x d) f(x)=1 for /x/=1 ...

wich of d follwin statemnt bout spontaneous rxtion occurin in galvanic cell is true a)Eocell>0, delGo<0 Q<Keq b)Ecell>0, delG<0 Q<Keq ...

If f(x)=lim (sinx)2n,then f is n→∞ A) conti. at x=Π/2 B) disconti at x=Π/2 C)disconti at x=ΠD) none of these ...

how do we find the distance between parallel lines ...