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*Image* SALUTING THE GENIUS ON HIS 20 YEARS A THREAD DEDICATED TO HIM , AS I AM A VERY BIG FAN OF HIM... ENJOY... ...

Define na! for positve integers n and a na!=n(n-a)(n-2a)(n-3a)......(n-ka) where k is the greatest integer for which n>ka then find the quotient of 728!/182! ...

1) f is a continuous in [a,b] and differentiable in (a,b) wher a>0 such that f(a)/a = f(b)/b prove that der exists x0 e (a,b) such that f'(x0)= f(x0)/x0 2)find the value of a for which f(x)={3x+mod(a2-4) ,a≤x≤1 {5-x2 , ...

Normal at 3 points P,Q,R of parabola y^2=4x meet at A and SP\cdot SQ\cdot SR=\alpha SA^2 . If S is the focus of the parabola find the value of \alpha . ...

do any of u have a simple C++ program on railway reservation using data base handling that does not use codes like "gotoxy n oder codes not in CBSE sylabus.." then do leave me a scrap...:)//thak u... ...

A block of mass M travelling at velocity v m/s strikes on a spring of mass m on a horizontal table. Find the maximum compression. ...

*Image* Loads of 2kg and 10 kg are hanging from an ideal thread over a smooth pulley. The system is in equilibrium...when a monkey weighing 8kg starts climbing up from the given position at time t=0 with an acceleration 2m/s2 ...

was solving a ques..and found this in b/w....and cant solve this step... for x=-1/2 find value of a^2 if a =cos tan-1 sin cot -1 x ...

pls give answer with explanation.... *Image* tell me if image is not clear enough ...

http://jee.iitm.ac.in/jee2009marks.htm i got this info today only,must see for those who havent seen this before. ...

*Image* Join NP and say with reason what is the figure MNPO ??? ...

find the digit in tenth place of the sum1!+2!+3!+...........+49! ...

Q: Compound A (C7H15Br) is not a primary alkyl bromide. It yields a single alkene B on being heated with NaOC2H5 / C2H5OH. Hydrogenation of B gave 2,4-dimethyl pentane. Identify A and B. PS: Scroll down to meet few more quest ...

Hey guys , hope you are not too bored with maths . I found some good questions which I think don’t require pen and paper , yet are interesting . So please try --- 1 > If xy = 281 . 378 . 534 ( x + y ) , then find the num ...

Hey guys , hope you are not too bored with maths . I found some good questions which I think don’t require pen and paper , yet are interesting . So please try --- 1 > If xy = 281 . 378 . 534 ( x + y ) , then find the num ...

\int_{0}^{n\pi}{\left| \frac {sinx}{x}\right|}dx\geq \frac{2}{\pi}(1+\frac{1}{2}+\frac{1}{3}+...+\frac{1}{n}) ...

if f:[1,10]→[1,10] is a non decreasing function and g:[1,10]→[1,10] is a non increasing function. let h(x)=f(g(x)) with h(1)=1 the h(2) options 1) lies in (1,2) 2)is more than 2 3)is = to 1 4)is not defined ...

Q1 green powder blown in air during fireworks from ammonium dichromate is ? Q2 why ferric chloride is used for etching copper and silver metals ? Q3 heating ferric sulfate gives ?? ...

We know dat a Compound isnt optically active if it has 1] plane of symmetry 2]axis of symmetry 3]centre of symmetry but how do we find whether a compound has any kind of symmetry or not ?? plane of symmetry is not difficult t ...

how to convert chlorobenzene to benzene????? ...

if f(x)= x2/2-2cosx g(x)= x2/6x-6sinx where 0<x<1 find whether f(x) and g(x) r increasing or decreasing function ...

I=\int_{0}^{1}{\frac{dx}{\sqrt{4-x^2-x^3}}};I_1=\int_{0}^{1/2}{\frac{dx}{\sqrt{1-x^4}}} Then find: 1)I 2)I1 3)Imax 4)Imin 5)I1 max 6)I1 min ...

if \alpha _{1},\alpha _{2} are the roots of equation: ax2+bx+c=0 and \beta _{1},\beta _{2} be roots of equation : px2+qx+r=0.if \alpha _{1}y+\alpha_{2}z=0 \beta_{1}y+\beta_{2}z=0 have a non trivial(nonzero solutions) then pro ...

i dont know how many know me but i am in std 9 actually many know my skill in phyiscs and it is of an above avg student of iit aspirant ( i am not exaggerating) well many of u may be wondering why i do 11 12 physics my answer ...

Q1species undergoing disproprtionation in alkaline medium ? a)Cl2 b)MnO42- c)NO2 d)ClO42- Q2metal oxide decomposing on heating ? a)ZnO b)Al2O3 c)Ag2O d)HgO ...

Solve logx2log2x2.log24x>1 ...

A body is floating in a vessel filled with liquid.now the vessel is heated.the buoyant force on the body incr/decr/remains same?? ...

x 2 Sin[x] ∫ -----------------------dx (1 + Cos[x])2 ...

Ques) Match column (I) and (II) *Image* ...

Does Gauss law for electric flux hold, in case of induced electric field due to time dependent magnetic field in a cylindrical region? Is it the case that Gauss law for flux holds in conservative electric fields only??? a bit ...