Recently Active Questions

In a triangle ABC, angle A = 36°, AB = AC = 1 and BC = x . If x = (p + √q)/2 then the ordered pair (p,q) is ...

EX 2 1 ) Find the no. of ways in which 3 distinct no.s can be selected from the set { 3 , 32,......,3101} so that they form a GP. 2 ) Find the no. of ways in which 12 identical coins can be distributed in 6 diff purses , if n ...

Find the no of solutions of |x2 - 6|x| +8|= 1/4 |sin|x|| 1) 4 2) 6 3) 8 4) 10 ...

find the differential equation of the following y=c1sin2x+c2cos2x+c3 ...

*Image* ...

how to find the no. of sigma bonds in P4O10 and what will be it's structure? what will be the no. of structural isomers of the formula C4H10O? how it is done? what is the no. of isomers for the compound with molecular formula ...

C7H10 →→→→PRODUCT(on ozonolysis) product→→→→→??????????????(on using Zn with acetic acid ...

If in teh same case, above the impulse was acted on another ball of double the density of the same shape, what would have been teh change invelocity???? ...

pls tell the product... 1. Mg/ ether (excess) __________________ o-Bromobenzyl bromide ? 2. H2O ...

Prove that every circle passing through the points z_{0} and 1/z 0 intersects the circle |z|=1 at right angles ...

1.A substance that will deliquesce in the normal laboratory atmosphere is: (a) Cuso4 (b) NaOH (C) SiO2 (d) All of these ...

*Image* a heavy ball of mass 2m moving with velocity u0 collides elastically head on with cradle of three identical balls of mass m as shown.determine velocity of each ball after collision. ...

*Image* ...

Ques1) 50 ml of a weak monobasic acid (HA) requires 21 ml 0.2 M NaOH for complete equivalence. If pH of sol n upon addition of 7 mL of this alkali to 25 mL of the above soln of HA is 5.8 , then the pKa of the acid is (a) 6.1 ...

1 . A wire carrying a current i is kept in X-Y plane along the curve y=A sin(2Πx/λ) .A magnetic field B exists in the z-direction.FInd the magnitude of the magnetic force on the portion of the wire between x=0 and x=λ 2.A ...

Does any body know whats rotation theorem ,locus of a complex nos . if you can explain me in detail its fine or if you have any link or you have any material can you send me at karanmehtaforu@yahoo.com Thanks in advance ...

At an instant during the motion of a particle with respect to ground , it may be at rest as well as accelerated simultaneously TRUE / FALSE Give reason ...

Find the curve y = f(x) where f(x)≥0, f(0)= 0, bounding a curfilinear trapezoid with the base {0,x] whose area is proportional to (n+1)th power of f(x). It is known that f(1) = 1. ...

any idea wat is the 12 board xam cutoff for jee 2010,....they wer plannin to change it have they done so????? ...

{x}/{y}=1 ...

Sagnik just posted this one on my chatbox... Prove that (a,b, c +ve) a2+1/b+c + b2+1/a+c + c2+1/a+b ≥3 RMO: 2006 Hint: Nesbitts? ...

*Image* ...

A point P moves inside the triangle formed by A (0,0) , B(1,1/ 3 ) and C(2,0) such that min { PA,PB,PC} =1 then the area bounded by the curve traced by P is a. 3 3 +3pi/2 b. 3 3 -3pi/2 c. 3 -pi/2 d. 3 +pi/2 NOTE→Please give ...

*Image* d question is to find d equivalence capacitance b/w a nd z. by symmetry charge on red capacitors will be same ( let q1) , similarly charge on green capacitors will also be same( let q2) . i have a doubt whether d char ...

It's time for applications In a month or 2 we would be applying for our dream institutes So here i am starting this thread to share abt some good institutes we can apply for and eligibility basis for them I mean like Manipal ...

(x^2+x-2)^3+(2x^2-x-1)^3=27(x^2-1)^3 Source: RMO 2002 ...

Just saw this problem in some Coaching Institute material. If cos A + cos B + cos C = sin A + sin B + sin C = 0, prove that cos (A-B) + cos (B-C) + cos (C-A) = -3/2 ...

sir,i'm appearing for fiitjee talent support exam am a bit nervous abt it plz guide me and tell me what sort of paper to expect. ...

Can neone pls explain how n{1+(n-1)+ (n-1)(n-2)/1.2 +...........+1} =n.2n-1 ? AND nx{1+(n-1)x+ (n-1)(n-2)/1.2 x2+........+xn-1} =nx(1+x)n-1 ? Pleaaaaaaaase do explain this... ...

figure shows a capillary tube of radius (r) dipped into water.if the atmospheric pressure is P0, then the pressure at the point A is........ *Image* ...