Recently Active Questions

If i take y=xxx.......and use log....... CASE 1.. logy=xxlogx... CASE 2....logy=xlogxx =logy=x2logx...........WHICH IS CORRECT?? ...

[x]{y}=1 ...

[x]{x}=1 ...

*Image* a conducting wire is bent in d form of a loop as shown. the segments AOB is parabolic given by the eqn y^2 =2x while segment BA is a straight line parallel to the y-axis. the magnetic field in the region is B= - 8 k^ ...

On a dice we have the following numbers written: 0,1,2,3,4,5. We throw this dice until the sum of the points that appeared is bigger than 12. Which sum has the highest probability that we can obtain from all the other's? ...

A non zero polynomial with real coefficients have the following property: f(x)=f'(x)f"(x). Then find the leading coefficients of f(x). ...

What is the change in the internal energy when 2 moles of liquid water vaporises at 100°C? The heat of vaporisation, ΔH vap. of water at 100°C is 40.66KJmol-1. ...

Find the limit *Image* the options are: A.)1 B.)0 C.)Î /2 D.)does not exist ...

f(x) = \left[tan^{100}x \right] find \int_{0}^{tan^{-1}(\sqrt[100]{4})}{f(x)dx} ...

Simplify \prod_{n=1}^{\infty }{cos(\frac{x}{2^n})} it comes out to be \frac{sinx}{x} but how? ...

*Image* the voltage time graph is shown. The rms value for the graph is a)V b)V/√2 c)V√(7/24) d)V√(3/8) ...

http://www.youtube.com/watch?v=1GLu73rPQJ8 see this, a must watch. do leave your cooments down here. ...

Q.1 Find B(x,y) in case I so that VA-VB is same for both rods... *Image* AB=L OB=L ..edited.. :p They are pulled by some means with given speed perpendicular to length of rod.. Note:Take only one line in copy at max or no cop ...

In triangle ABC, D is a point on AB and E is a point on AC such that BE and CD are bisectors of ∠B and ∠C respectively. Let Q,M and N be the feet of perpendiculars from the midpoint P of DE onto BC, AB and AC, respectivel ...

Find the condition so that the line px + qy = r intersects the ellipse x2/a2 + y2/b2 =1 in points whose eccentric anles differ by π / 4 ...

Find the limit to: *Image* the options are: A.)(a-b)/3 B.)0 C.)(a2-b2)/6a2b2 D.)(a2-b2)/3a2b2 ...

∫mod(sinx+cosx) ...

Rekha married Shivram and had 4 sons. Varsha married Ajoy and had 4 sons. Both the couples had divorce and after that Shivram married Varsha while Ajoy married Rekha. They too had 3 sons each from their wedlocks. How many sel ...

People living at Mars, instead of using the usual definition of derivative D f(x), defined a new king of derivative, D*f(x) by the formula: D*f(x)=Limit h------>0 f2(x+h)-f2(x) ___________ h where f2x means [f(x)]2. If f(x ...

In answering a question on a multiple choice test, a student either knows the answer or guesses. Let n3/4 be the probability that he knows the answer and 1/4be the probability that he guesses. Assuming that a student who gues ...

QUESTION 1 : even n=16 satisfies the equation ...

pls solve *Image* ...

Solid sodium bicarbonate was placed on a strip of pH paper. The colour of the strip - (a) turned blue (b) did not change (c) turned green and suddenly yellow (d) turned light pink ...

Find the last 2 digits of 2999 ...

I want to ask a few questions related with bonding. 1) In the Lewis structure of SOCl2 the sulphur atom makes a doubl bond with oxygen and shares its two lone pairs with the two chlorine atoms.My question is why doesn't the s ...

THIS IS SERIOUSLY NOT FOR IITJEE practice.....THEY ARE 2222222 EASY............ ONLY FOR CBSE sure shot QUESTIONS... Please other guys dont scold me for these easy questions.. 1. Find the principal value of tan-1(tan7∩/6)+c ...

*Image* ...

Q1.A string of bob is attached to a block kept on frictionless surface (bob is hanging ) an impulse is imparted to bob to give it velocity v0 describe motion of block. ...

does delta G(not) change with temp...thou it is defined at 298K only .Q.. 2 A(g) + B(g) (equlibrium) 3S(s) + T(g) delta H(not) = -145 At 298K forward rxn is spontaneous, wt change if ny wud occur in deltaG(not) value as temp. ...

while calculating the amount of the sun's radiation reaching the earth's surface, should we take the earth to b a disc or a sphere?? how 2 be assured that the asuumptions taken are correct?? ...