Recently Active Questions

Find the domain Q:1 x12-x9+x4-x+1 Q:2 Cx2+4x2x2+3 .Here n= x2+4x and r=2x2+3. C stands for combination Q:3 x-1/x-2{x} {.} denotes fractional part function. ...

IF A=1/rt(2) + 1/rt(3) + ........... + 1/rt(10000).find [A] where [.] denotes greatest integer func nd rt stands for square root. ...

Which is the best coaching institute in vizag for IIT???? Has anyone got top 10 in IIT from those branches of institutes in vizag!!!! Also what are the courses of Aptitude tests for IIT if it gets implemented from 2014 ...

A particle of mass m moves in xy plane along the line y=x-4,with constant velocity v. find the angular momentum of the particle about origin at any instant of time t.. ...

1) A radioactive nuclide can decay simultaneously by two different processes which have deacy constants λ1 and λ2 . The effective decay constant of the nuclide is λ. a) λ=λ1 + λ2 b)λ= 1/2 (λ1 + λ2) c) 1/λ = 1/λ1 + ...

For the three events A, B and C. P (exactly one of events A or B occurs) = P (exactly one of events B or C occurs) = P (exactly one of events C or A occurs) = p and P (all events occur simultaneously) = p2, where 0 < p < ...

*Image* I've also posted it here http://www.artofproblemsolving.com/Forum/viewtopic.php?f=296&t=420023&p=2538522&#p2538522 but no solution ...

Determine or estimate the net heat flux density P between two parallel plates at distance L from each other, which are at temperatures T1 and T2, respectively. The space between the plates is filled with a monoatomic gas of m ...

Hi please see http://www.ipho2012.ee/physicscup/ :O :O Are they giving any prize(s) ? At least I could not make out anything.. and I'm late to participate.. ( I thought I would just cheat :D) ...

my fiitjee percentile of class 11 part test 1 is 93.8. Whats my expected rank in iit jee? is this percentile good? ...

i have secured 164 marks and whats u r score? ...

\hspace{-16}$Find the smallest positive Integer $\mathbf{n}$ such that \\\\ $\mathbf{\sqrt{n}-\sqrt{n-1}<0.01}$ ...

When a particle is flying from the ground slowly upward against gravity. Since the kinetic energy is zero throughout the process what is bringing the change in potential energy? ...

well theres this question...in which i find that theres a small language error...kindly help HC VERMA PART ONE CHAPTER 12 EXERCISES Q 11 A block of mass 0.5 kg hanging from a vertical spring executes simple harmonic motion of ...

f(x)+f(x+ 1/2 )=1. then evaluate ∫01 f(x) ...

i am stuck in solving the problem question no 39 in magnetic field of hcv part 2 a particle of mass m and charge q is projected into a region having a perpendicular magnetic field b.find the angle of deviation of the particle ...

I want some chapterwise test papers to download.... For revision... especially for Physics .... So anybody with A LINK??? *Image* ...

Calculate the sum: √1+1/1^2 +1/2^2 + √1+1/2^2 +1/3^2 + ...........+√1+1/2007^2 + 1/2008^2 ...

\hspace{-16}$Show that regardless of what Integer values of $\mathbf{x\;,y}$ Substituted\\\\ in $\mathbf{x^5-x^4y-13x^3y^2+13x^2y^3+36xy^4-36x^5}$ is never equal to $\mathbf{77}$ ...

*Image* Circle has radius 2 units. help me finding the area! ...

What is Range of f(x)=[1+sinx] + [2+ sin(x/2)] + [3+sin(x/3)]+........... + [n+ sin(x/n)] for all x belongs to [0,∩] where [.] denotes greatest integer function? ...

4th term of an AP equals 2 times the 1st term. Fifth term is greater than 2 times the 4th term by 5. The 19th term is? ...

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

1) Solve for x: [x2]= x +2{x} [ ] denotes the G.I.F.{ } is the fractional part. 2) Find the total number of integral solutions of x2-2y2 =2000. ...

\hspace{-16}$Which of the following no. is Greater\\\\ $\mathbf{A=\frac{2.0000004}{(1.0000004)^2+2.0000004}}$ OR $\mathbf{B=\frac{2.0000002}{(1.0000002)^2+2.0000002}}$ ...

*Image* mass of rod = 30 kg length = 0.8 m is free to rotate about horizontal axis 'O' passing through its centre. a particle p of mass = 11.2 kg falls vertically through a height h = 36/245 m and collides elastically with th ...

find the number of points (x,y) with positive integral coordinates satisfying the x^2 + y^2 + 2xy - 2005x - 2005y - 2006 = 0. ...

(258+1)/5 is a prime number or a composite one???? Please give the proof along with it. ...

Find the effective value of the alternating current that changes according to the law : I = Io when 0 < t < T/8 I = 0 when T/8 < t < T/2 I = -Io when T/2 < t < 5T/8 I = 0 when 5T/8 < t < T I = Io when ...

f and g are cont and diff functions from R→ R. If f(x+g(y))= 4x+3y+6. then g(2011+f(2011)) equals?? ...