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Assume that p is a real number. In order for x+3p+1 - x =1 to have real solutions it is necessary that 1. p≥1/4 2. p≥-1/4 c. p≥1/3 4. p≥-1/3 ...

is principle of inclusion and exclusion in course for JEE?? ...

solve hcverma ch-10 Q15 and 17 ...

In triangle ABC the coordinates of the vertex A are (4,-1) and the lines x-y-1=0 and 2x -y = 3 are internal bisectors of angles B and C then , radius of incircle of triangle ABC is ...

The set of values of 'a' for which the equations cos2x + a sin x = 2a-7 posses a solution is 1. (-∞,2) 2. [2.6] 3. (6, ∞) 4. (-∞, ∞) ...

atoms may be regarded as comprising of p's,n's and e's.if the mass attributed by electrons was doubled and that by neutrons was halved d at mass of C-12 'll b? a)approx. the same b)doubled c)reduced aprrox. 25% d)approx. halv ...

WHAT mass of 60% HCl (by mass) is required to completely react with 0.2 mol of zinc.The reaction is : Zn +2HCl -> ZnCl2+H2 ...

Mixture X=0.02 moles of [Co(NH3)5SO4]Br and 0.02 moles of [Co(NH3)5Br]SO4 was prepared in 2 L of solution: 1 L of mixture X+excess of AgNO3→Y 1 L of mixture X+excess of BaCl2→Z Number of moles of Y and Z are: a)0.01,0.01 ...

Q1 Because of insufficient ignition, a supposed CaO precipitate from a 1 g sample of limestone weighed 0.4125 g and contained 5.3% of its own weight of CaCO3(ie there is CaCO3 left unignited whose amount is 5.3% of 0.4132) . ...

If cosecA+secA=cosecB+secB,prove that tanAtanB= cot(A+B)/2 . ...

If x be the real number such that x3+4x = 8 then the value of the expression x7 + 64x2 is 1. 124 2. 125 3. 128 4. 132 ...

If tan θ/2 = √1-e/√1+e tan α/2 ,then cos α=? Plz show the steps also along with the solution.... ...

There should be something like pink posts for good articles. otherwise no one is adding articles. ...

if x2- 2cos∂ x +1 = 0 and y2 - 2 cos∞ y + 1 = 0 then 2cos(∂+∞) is equal to ...

[p1.Let a function f be defined on positive integers by the setting: f(m,n)={ f(m-n,n),if m>=n; m,if m<n } COLUMN-1 COLUMN-2 A>f(32009,4)= p)2 B>f(22010,25)= q)0 c>f(52010,7)= r)3 d>f(163+173+183 +193) s)1 h ...

Evaluate: \int_{0}^{\infty}{e^{-\alpha^2\left(x^2+\frac{\beta^2}{x^2} \right)}}dx You may use: \int_{0}^{\infty}{e^{-x^2}dx}=\frac{\sqrt{\pi}}{2} ...

1002004008016032 has a prime factor p>250000. Find it. Source(David A Santos) Hint: (a^3-b^3)(a^3+b^3) Even though I have put it in the class ix - x level.. it needs a bit of application which is not generally known at ix- ...

Find the area enclosed by: |x+y-1|+|2x+y+1|=1 ...

what should i prefer?............ece in nagpur or chemical in warangal? ...

Q) Henry's Law constant for CO2 is 1.67* 108 Pa at 298K. Calculate the quantity of CO2 in 500mL of soda water when packed under 2.5atm CO2 pressure at 298K. (Is th answer 0.0024g??) ...

Evaluate \lim_{x->0}\left[ \frac{a^x+b^x+c^x}{3}\right]^{1/x} ...

Find the hybridization of XeOF4 ...

according to me 1.UPSC 2.IITJEE 3.CAT 4.Chartened Accoutnacy baki koi xam is list ke aas pass bhi nahi aa sakta ...

if we say tht an electron consist of two parts then each part will be having -ve charge so they must repel each other.....so the electron must break in those parts but this not in real then which force does keep the parts of ...

Today I was just watching the big bang on discovery science. Somewhere deep inside, the motivation to study comes. I'll go study some 6 hours now. But the thing is that mostly till the next 4-5 days I'll never open any books. ...

A particle slides at constant speed in a horizontal circular path on the frictionless inner surface of an inverted right circular cone. How is the particle’s kinetic energy related to its potential energy ...

What is the sum of the roots of the equation (x+1) = 2log2(2x + 3) - 2log4(1980 - 2-x)?? ...

Why doesn't 1 mole of water in gaseous state fall while 1mole of water in liquid fall from same height? ...

If total number of runs scored in n matches is ( n+1/4 )(2n+1-n-2) where n.1, and the runs scored in the kth match are given by k(2n+1-k), wher 1≤k≤n. Find n. ...

What is the course for IT in gate?is it based on the UG IT course or Computer Science course? ...