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find the number of the natural numbers less than or equal to 2985984,which are neither perfect squares nor perfect cubes . ...

HEY wich 1 of 2 will undergo attack by OH- ion and do xplain ur answer in detail plz Ph---CH2Cl & Ph----CH-----Ph 1 Cl here the 1 and dotted lines i've used for bonds plz bear it ...

*Image* try d 7th and 8th one ...

*Image* THE PRIMARY P OF A TRANSFORMER HAS 10 TURNS AND SECONDARY S HAS 1000 TURNS..IF D VOLTAGE APPLIED ACROSS P IS 5V THEN VOLTAGE ACROSS S IS............... ...

WATS DA SHORTEST WAY to find da circumcenter and INCENTRE of a triangle if the 3 vertices are known? How bout ORTHO-Center?? ...

if \Theta is the angle subtended at P(0,2) by the circle 4x2+4y2-4x-12y+9=0 then a)tan \Theta /2=1/2 b)tan \Theta =4/3 c) \Theta =90 d) \Theta =45 ...

The straight line whose equation is ax+by=1 where ab>0passes through (3,4) and makes a triangle of area S with the co-ordinate axis. then the least value of S is a)12 b)24 c)6 d)7 ...

1)\lim_{x->0}xlogsinx \; 2) \lim_{x->0} (cosecx)^{^{1/logx}} 3)\lim_{x->0} ((1+x)^{^{1/x}}-e)/x 4)\lim_{x->0}[(sinx)^{1/x}+ (1/x)^{sin x}] ...

at 380 degree C, the half life period for the first order decomposition of H2O2 is 360 min. The energy of activation of reaction is 200 kJ/mol. Calculate the time required for 75% decomposition at 450 degree C ...

The time required ofr 10% completion of a first order reation at 298 K is equal to that required for its 25% completion at 308 K. If pre exponential factor for the reaction is 3.56 x 109 s-1, calculate its rate constant at 31 ...

The rate constant for the first order decomposition of a dcertain reaction is described by the equation log_{10} k(s^{-1})=14.3-\frac{1.25\times10^4K}{T} A) What is the energy of activation for this reaction? B) At what tempe ...

A hydrogenation reaction is carried out at 500K. If the same raction is carreid out in th epresence of a catalyst at the same rate the temperature required is 400K. calculate the Activation energy of the reaction if the catal ...

The rate constant for an isomerisation reaction A-->B is 4.5x107 at 100 degree C. and 1.5x107 at 50 degree C. Evealuate Arrhenius parameters A and Ea yes tapan something was missing ;) ...

find the centre and the radius of the smaller of the two circles that touch the parabola 75y2=64(5x-3) at (6/5,8/5) and the x-axis plzzzz explain ...

The rate of first order reaction is 0.04 mol L-1 s-1 at 10 minutes and 0.03 mol L-1 s-1 at 20 minutes after initiation. Find the half life of the reaction. ...

I thought sir is having busy days so why not we start a thread 4 the calculus I will daily post question on calculus (both integral and differential) So lets take off[1] Q1 If [x] denotes the integral part of x , then the dom ...

This is a fun problem. May i request that only the students attempt this one? If a,b and c are all distinct real numbers, then find values of a,b and c such that \frac{a-b}{1+ab} + \frac{b-c}{1+bc} + \frac{c-a}{1+ca} = 0 ...

find the min value of \left|a+b\omega +c\omega ^{2} \right| where a,b,c are not equal integers and ω≠1 is cube root of unity.. ...

Hyelo everyone... i juzz wanna know what topics are crucial from jee point of view to revise at dis peak tym... here is d list of all topics... juzz help me out in revising d most useful n important ones... GENERAL MOLE CONCE ...

∫ 3+2cosx/(2+3cosx)2 ...

wich of these 3 (more than 1 crrct) represent progressive waves : y = 1/(4 + (4t - 3x)2 ) y = sin(4t - 3x) y = 1/(4t+3x) ...

............................................................................................... *Image* This thread is dedicated to lolita .. my dead cat ... this thread is actually a satire on some other thread u might have ...

∫([3+2cosx)/(2+3cosx)2]dx ...

After resonance c-c bond length decreases but c=c bond length increase why? can you give example..........? ...

let S be the set of 6 -digit numbers a1 a2 a3 a4 a5 a6 (all digits are distinct) where a1≥ a2≥ a3≥ a4≤ a5≤ a6.then n(S) is equal to NOTE :PLEASE IGNORE THE EQUALITY AND CONSIDER ONLY THE INEQUALITY RELATIONS .(i cou ...

hey ppl 1 help regarding computer i want a software dat converts pdf into doc format...wat shud i do? [7]and how...m not dat good in computers....te hee [6] ...

a straight copper wire or a circular copper loop carrying a constant current will it produce electic field and experience electric force a circular loop carrying a uniform density of charge will it produce magnetic field in t ...

a cubical open vessel of diameter 5m is filled with a liquid The vessel is accelerated horizontally in such a way that the height of the liquid becomes 5m and the pressure at the mid point of the vessel becomes equal to the a ...

I know the question i m going to ask may immediately alienate me from a large number of readers(specially girls) but then too i m asking it that Why r most of the girls unable to crack IIT-JEE ?? ...