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Let polynomials Pn(x) n=0,1,2,3 ...... , be defined by P0(x)=1 P_{n}(x) = \frac{1}{n!}\frac{d^{n}}{dx^{n}}[x^{n}(1-x)^{n}] , n\geq 1 Answer the following Q's 1) The \int_{0}^{1}{P_{n}(x)}x^{k}dx , 0\leq k<n is equla to a) ...

*Image* SOMEONE PLS EXPLAIN THE SOLUTION!!! ...

For x>0, \lim_{x\rightarrow 0}\left[(sinx)^{\frac{1}{x}}+\left(\frac{1}{x} \right)^{sinx} \right] is (a) 0 (b) -1 (c) 1 (d) 2 ...

the complex nos. whose real n imaginary parts r integers n satisfy d equation z.conj z3 + z3conj.z=350 forms a rectangle on the argand plane , the lenght of whose digonal is, 5 10 15 25 ...

pL try jus da 3rd Que. 1st two are easy *Image* ...

A constant current flowed for 2 hours through a potassium iodide solution oxidizing the iodide ion to iodine 2I- -> I2 + 2e- At the end of the experiment, the iodine was titrated with 21.75 ml of 0.0831 M sodium thiosulpha ...

if the equation z4+a1z3+a2z2+a4=0,wherea1,a2,a3,a4 r real coeffiients diff. from zero has pure imaginary root then the expression a3/a1a2 + a1a4/a2a3 ha d value 1. 0 2. 1 3. -2 4. 2 ...

are there any basic techniques in finding the possible no. of resonating structure of a molecule??..or do we have to just remember the common ones? ...

if /z/ = max{ /z-1/ , /z+1/ } then, 1./z+conjugatez/=1\2 2.z+ conj. z =1 3./z+conj.z /=1 4.none ...

if energy of an electron in hydrogen atom in some excited state is -3.4eV , then wat ll be its angular momentum???????? pls do explain ...

wat is d source of canal rays in a discharge tube???? dis was one of d q in ma boards.......... ...

if the radius of the octahedral void is r and the radius of the atoms in close packing is R, derive the relation b/w r and R ...

Q2 Which of the following is true for a galvanic cell? a) electrons flow from anode to cathode b) reduction occurs at anode c) oxidation occurs at cathode d) all of the above are correct Your Answer: (a) Correct Answer: (d) S ...

A string of negligible thickness is wound around a cylinder on a rough surface, several times.A man standing at a distance l from the cylinder holds one end of the string . THere is no slipping,find the length of string passi ...

Q If z1 and z2 r uni modular complex numbers and it is given that z12+ z22=4 then find the value of (z1+z1)2 +(z2+z2)2 (A)9 (B)10 (C)12 (D)none of these ...

Those who are appearing for BITSAT 2009 can take a printout of their hall tickets here http://www.bitsadmission.com/bitsat/hallticketprint/HTCandidateLogin.aspx came yesterday itself!!! ...

*Image* \int_{-1}^{1}{g'(x)dx} \: = ANS : 2g(1) Wer in the Questn is it Given g(x) is an ODD Functn ??? [7] and widout that HOW CAN g(1) - g(-1) = 2g(1) ??????????????? ...

Q1 let f(x)+f(1/x)=f(x)*f(1/x). if f(4)=17.find f(7). a) 48 b) 45 c) 50 d) 53 ...

no of ways in which a person can walk up a stairway which has 7 steps if he can take 1 or 2 steps up d stairs at a time is: A rhombus has sides of length 10cm. a circle with centre A passes through C & similarly a circle with ...

I entered 12 th now.I am doing ml khanna...It is very good for bulding confidence and helping in learning basic concepts....But the problem it is taking lot of time..it is difficult in completing this one book itself...every ...

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stat1: if p is chosen at random from the interval [0,5] then the pblity of the eqn x2+px+(p+2)/4=0 having real roots is 2/5 cozzz stat 2:for real roots either p<= -1 or >=2 ans is d i can get da 2nd one so pl explain on ...

Four snails travel in uniform, rectilinear motion on a very large plane surface. The directions of their paths are random, (but not parallel, i.e.any two snails can meet), but no more than two snail paths can cross at any one ...

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value of \lim_{n\rightarrow inf}\int_{0}^{1}{\frac{ny^{n-1}}{1+y}}dy single correct A) 1 B) 2 C) 1/2 D) none ...

Q8 *Image* The relation b/w side lenth and Y batao.......... reason it too...... ...

tanθ.tanφ= (p-q)/p+q) ,show that (p-qcos2θ)(p-qcos2φ) is independent of φ and θ ...

let ABC be a triangle with P a point inside it such that <PAB=Ï€/18 <PBA=Ï€/9 <PCA=Ï€/6, <PAC=2Ï€/9 Q.<PBC=? (a)Ï€/9 (b)2Ï€/9 (c)Ï€/3 (d)none Q.Triangle ABC is___________ a)equilateral b)isosceles c)rt. angled ...

easy..... if 0<θ<π then 2+ 2+ 2+....... 2+2cosθ is equal to?????????? if there are n number of √ signs ...