Recently Active Questions

\hspace{-16}$How Many Positive Integer Solution $\mathbf{(a,b,c)}$ are\\\\ there to the equation $\mathbf{2004^a+2005^b=2006^c}$ ...

A pole of height 4m is kept in front of a vertical plane mirror of length 2 m . The lower end of the mirror is at a height of 6m from the ground. The horizontal distance between the mirror and the pole is 2 m . Upto what mini ...

Q.1. A man uses a concave mirror for shaving.He keeps his face at a distance of 25 cm from the mirror and gets an image which is 1.4 times enlarged.Find the focal length of the mirror. Q.2.Find the diameter of the image of th ...

Go to: http://www.youtube.com/watch?v=dbh5l0b2-0o Great video! ...

vinylic cation formed by alkyne is less stable than alkyl cation formed by alkene.alkyne are less reactive than alkene toward electrophilic reagent but are more reactive toward nucliophilic reagent. in addition C-C bond lengt ...

Plz explaine substitution and addition reactions? ...

*Image* ...

will any one explain me the topic chord of contact of a circle...?? ...

If A and G be A.M & G.m respectively between two positive numbers,prove that the numbers A± (A+G)(A-G) ...

initially the system is held at rest nd spring is in natural length. friction between disc nd ground is sufficient to prevent slipping. now system is released frm rest position. 1) the min. coeff. of friction reqd. to prevent ...

*Image* i know the answer. so please give the steps. ...

1. A space vehicle of mass m is in a circular orbit of radius 2Re about the earth (mass me). What is the work done by an external agent to transfer it to an orbit of radius 4Re? 2. Three stars each of mass M and radius R are ...

Find \int x^xdx ...

\hspace{-16}$Find a function $\mathbf{f(x)\neq x}$ such that for every $\mathbf{x\geq 0}$\\\\ $\mathbf{f\left(\frac{x}{1+x}\right)=\frac{f(x)}{1+f(x)}}$\\\\ ...

BMAT Full Syllabus Test 1 : got 270 marks. How is it?? ...

For the universe, ΔS is always increasing..right?! if we consider the universe as a system, what will be its surrounding????? moreover is the expansion of universe a adiabatic expansion???? ...

A point moves along a semi circle from one end to another in 1 second. The radius of the semicircle is 1 m. The magnitude of the average velocity is? ...

I was reading Mechanics where it was said that, Particle is a hypothetical mass-point that has no size. Can you please explain clearly... ...

This group needs more active members...... Noone is available for clearing doubts except 1 or 2.... :( ...

If f(x) = f(xy)+f(\frac{x}{y}) \text{for all } x \epsilon \mathbb{R^{+}} and f(1) = 0 , f ' (1) = 0 , then find the f(x). Please Help I just can't make this : f ' (1) = 0 ? ...

The heart of a man pumps 4 liters of blood per minute at pressure of 130 mm of mercury. If the density of mercury is 13.6 g/cm3 then calculate the power of heart. (g=9.8m/s2) ...

Two projectile are fired frm surface at a angle of 30 degree and 60 degree respectively with the horizontal...path of the first as seen by the other is a) parabola b)ellipse c)st line d)none ...

Hi guys. How was RMO? I did 3 correct and attempted one more. ...

*Image* Find the velocity of point C on string. ...

Draw the graph of [x+y] = {x} + {y} ...

Solve: [x2]-3[x]+2≤0, where [ ] is greatest integer fn. ...

Is paper in aieee offline and online same? If yes how can they conduct it like that offline paper is conducted on 30th! and online on 7 to 25. So this is unfair! ...

If Sn=(1.2)/3! + (2.22)/4! + (3.23)/5! +...............upto n terms. Then find sum of infinite terms. ...

nth term of a series can be written as ar= f(r) - f(r-1), then Sn= \sum_{r=1}^{n}{a_{r}} =f(n) - f(0) and S∞= *Image* Sn , then Value of \sum_{r=1}^{infinity}{(4r-1)5^{r}/(r^{^{2}}+r)} is?? ...

write all possible isomers for C4H10O including all ethers and Alcohols (only structural isomers). Please....!! ...