Recently Active Questions

*Image* ans Q 6 ...

I really felt TATA MCGRAW HILL : IIT was of gr8 gr8 USE to ME!!! I did all the chapters from it... Its biggest plus is dat it has a lotta solved sums wich always gives a second methd apart frm the one u thot and hence u can g ...

*Image* ans 8,9,10 ...

*Image* Find the condition that the roots of the above equation r reciprocal of each other A)a-b=0 B)a=0 C)b=0 D)a+b=0 ...

Q2. A child throws a ball from point A with an initial velocity 20 m s-1 at an angle 37° with the horizontal. B is a point on its trajectory such that tangent at B makes 30° with horizontal. The radius of curvature at B is ...

Plz giv me the rules for integration by the method of substitution. ...

nishant bhaiya plz post the correct solution of HCVERMA(kinematics) exercise question no.-44 ...

juniors do u want any books for low cost? if u want then tell me, bcoz i can u give u mine at a low cost , evn brilliant 2 year material is available. if u want then tell ...

A small object is placed 10cm in front of a plane mirror. If u stand behind the object 30 cm from the mirror, and look at its image, then for wat distance must you focus ur eyes?? My ans : 40cm Is dat wrong??-It is just a ver ...

In work energy theorem we say that the net work done on the body = net change in the kinetic energy of the body..... why, here, do we involve the kinetic energy only... and why is it not potential energy or mechanical energy? ...

a current of dry air was passed through a series of bulbs containing 1.25 g of solute A2B in 50 g of water and then through pure water .the loss in weight of the former series of bulbs was 0.98 g and in the later series 0.01 ...

StatI : For a mass M kept at the centre of cube of side a, the flux of gravitational field passing through its sides is 4Î GM. Stat II : If the direction of a field due to a point source is radial and its dependence on the di ...

1) If \alpha , \beta , \gamma and \delta are the angles made by a line with the diagonals of a cube, then cos^2\alpha +cos^2\beta +cos^2\gamma +cos^2\delta is equal to : (a) 0 (b) 1 (c) 2/3 (d) 4/3 ...

If f(x) and g(x) be two given functions with their domain as R ,then what can you say about h(x) ={ f(x)+f(-x)} {g(x)-g(-x)} ??? NOTE: {} DOES NOT represent fractional part R represents set of real numbers A.always an odd fun ...

[x][y] = 256 ...

*Image* SOLVE DIS ONE............PLS ...

compare acidic strength hco3- h3o+ hso4- hs03f ...

{x} +{y} > 1 ...

*Image* PLEASE SOLVE THIS 1 ...

Draw the graph of {[x]+1/2} = {x2} ...

der is a chessboard of m/n dimension......calculate no of square,reactangles & rectangles wich r not squares...in the chess board ...

ex is defined as e^x= \frac{x^0}{0!}+\frac{x^1}{1!}+\frac{x^2}{2!}+\frac{x^3}{3!}+.......... for x=0, e^0= \frac{0^0}{0!}+\frac{0^1}{1!}+\frac{0^2}{2!}+\frac{0^3}{3!}+.......... but we know that e0 is 1 So 1= \frac{0^0}{0!}+\ ...

{x} = tan {x} ...

NOR gate ke truth table ka kya formula hai???????????? ...

58. A balloon filled with ethyne is pricked with a sharp pointed needle and quickly dropped in atank of H2 gas under identical condition. After a while the balloon will be (A) shrunk (B) enlarged (C) completely collapsed (D) ...

log{x}={[x+1/2]} Draw the graph of ..... {} is fractional part [] greatest integer part ...

25. In a ΔABC, the sides a, b and c are such that they are the roots of the equation x3 – 11x2 + 38x – 40 = 0, THEN COSA\a +COSB\b + COS C|c = (A) 3\4 (B) 1 (C) 0 (D) 9\16 ...

For the reduction of NO3- ion in an aquous solution, E0 is +0.96V. Value of E0 for some metal ions are given below A) V2+ + 2e- -> V E0=-1.19V B) Fe3+ + 3e- -> Fe E0=-0.04V C) Au3+ + 2e- -> Au E0=+1.40V D) Hg2+ + 2e- ...

Pun in title intended :D This is easy, but good for starters: If f(x+a) = \frac{1+f(x)}{1-f(x)} , prove that f is periodic. ...

a,b, c are real numbers such that (a+b-2c)^2 + (b+c-2a)^2 + (c+a-2b)^2 = (a-b)^2 + (b-c)^2 + (c-a)^2 Find a:b:c ...