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find the general solution of sin2 4x + cos2x = 2 sin4x. cos4x. ...

THE SYLLABUS FOR JEE-2009 , AND ALSO THE PROCEDURE TO ENROLL ONE TO WRITE THE EXAM HAS BEEN PUT UP IN THE IIT-GUWAHATI WEBSITE . CHECK OUT THIS LINK. http://www.iitg.ernet.in/jee/index.html ...

1.What does book mean by: (axb)2 2. What is (axb).(cxd) equal to? I'm Having problems with properties of x and . products....(above problem q.2) ...

*Image* in autumn when trees have shed all their leaves,one can frequently see shadows from two parallel branches.the lower branch produces a sharp dark shadow and the upper brancha broder and lighter one.if two such shadows ...

Solve for x 1/[x] + 1/[2x] = {x} + 1/3 [x] - greatest integer function {x} - fractional part of x ...

a monochromatic flux from a remote source with a wavelength λ is almost normally incident on a thin glass wedge.a screen is placed at a distance `d` from the wedge.a lens with a focal length `f` projects the interference pat ...

plzz tell me a site from where i can get all the formulae of all the chapters of physics maths n chem....so that i can go through all the formulae at one stress only....coz revicing formulae from here n there waste lots of ti ...

Find the solutions for x and y x + y=[x][y] [.] - stands for greatest integer function ...

For any work to be done there must be energy to sustain it. WHERE DOES THE EARTH GET ENERGY TO ROTATE???? Is it due to the gravitaional force??? ...

Before doing nitration of aniline, it is converted to acetanilide. Why??? ...

The derivative of the fn y=sin-1[(2x)/(1+x2)] doesn't exist for a)all values of x satisfying |x|<1 b)x=1,-1 c)all values of x for which |x|>1 d)none ...

This is the IIT-JEE 1995 question. So U guys must have seen it. Not a very tough question. But it gives a lot of clarity in concepts and idea of how to apporoach such questions. A rectangular rigid fixed block has a long hori ...

1 + 1/(2*2) + 1/(4*3) + 1/(8*4) + 1/(16*5).....to infinite terms ...

The electronic conf. of a tripositive metal ion is [Ar]3d5.If it's mass no. is 60,the total no. of fundamental particles init's neutral atom is....??? ...

Suppose a and b are real numbers such that the roots of the cubic equation ax3-x2+bx-1 = 0 are all positive real numbers. Prove that : (i) 0 < 3ab ≤1 (ii) b≥ 3 P.S. I can't believe I missed this ... this one i ...

Three non-zero real numbers a,b,c are said to be in H.P. if 1/a + 1/c = 2/b. Find all three-term H.P. a,b,c of strictly increasing positive integers in which a = 20 and b divides c. ...

Find the number of all integer-sided isosceles obtuse-angled triangles with perimeter 2008. ...

Find the number of all 6-digit natural numbers such that the sum of their digits is 10 and each of the digits 0,1,2,3 occurs at least once in them. ...

ltn→∞ {x} +{2x} +{3x} +.....+{nx}/ n2 {where x denotes the fractional part of x} ...

A hoop is placed on a absolutely smooth level surface.a beetle alights on the hoop.what trajectory will be described by the beetle and the centre of the loop if the beetle begins to move along the hoop?the radius of the h ...

A lead ball and a rubber ball having same mass, collide normally with a vertical wall with the same velocityh. The lead ball falls down after striking, but the rubber ball bounces back. Then which of the following is true and ...

A fat hose pipe is held horizontal by a fireman. It delivers water through a constricting nozzle at i liters/ sec. It by increasing the pressure the water is delivered at 2 liter/sec. the fireman now has to a. push forward tw ...

if A>0, B>0, and A+B = pi/3, then what is the maximum value of tanA.tanB ?? ...

If 3 sinx +4 cos ax = 7 has atleast one solution, then 'a' has to be necessarily a : - 1. odd integer 2. even integer 3. rational number 4. irrational number ...

a metal spherevplaced in a uniform electric field E alon x-axis, then ∂V/∂x a) is uniform both inside and outside the sphere b) is uniform outside but non-uniform inside the sphere c) is uniform inside but non-uniform out ...

Show that the midpoint of three diagonals of acomplete quadrilateral are collinear. ...

i red roschells salt is used in fehlings soln any1 know y >>>>>>>>>>>>??>>>>>>>>> sems intrestin>>>>>>> replyyyy?>>>> ...

P.T . n4 + 4n is not a prime , for all integral values of n. ...

convert benzene to acetylene.... ...

Which is better nucleophile : Methyl Lithium or Methyl Magnesium bromide ...