Recently Active Questions

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What is the easiest way to differentiate between Metamerism and Position isomerism?? Kindly explain.. ...

reduce the differential equation *Image* ...

These days there seem to be a lot of inequalities being discussed here... This one is much simpler... If a, b, c are positive, Prove that : \frac{b^2+c^2}{b+c}+\frac{a^2+c^2}{a+c}+\frac{a^2+b^2}{a+b}\geq a+b+c I hope think on ...

p(x) is a polynomial with integer coefficients. For some positive integer c, none of p(1), p(2), ... , p(c) are divisible by c. Prove that p(b) is not zero for any integer b. (BHATT SIR STAY AWAY) ...

Find [1+\frac{1}{2}+\frac{1}{3}+....\frac{1}{121}] [] ≡ G.I.F ...

If z=iii.....∞=A+iB then find lzl ...

Solve x5+x+1. ...

A charged particle of mass m, charge q is in an electric field given by E=E_x\sin(\alpha t)\hat{i}+E_y\sin(\beta t)\hat{j} Find the equation of the position of the charge as a function of time ...

whts the probabbiliy of a coin falling perfectly in one of the squares of a chess bord 6 x 6 .......if diameter of coin n side of small square is same.. ...

Find the total no. of ways in which 6 "+" and 4 "-" signs can be arranged in a line such that no 2 -ve signs occur together. Ans : 7C4 = 35 Why is it not : 6! x 7P4 ...

I have been loathing for a couple of physics books... Couldnt get them in the market.. ANy of you who have 200 puzzling physics problems (http://books.google.co.in/books?id=B7GNWSXQn1QC&dq=200+puzzling+physics+problems&prints ...

There is a square of side 4 units... There are 17 points in the square. Prove that there will be 2 points such that the distance between them is less than equal to √2 (Think of where the number 17 could have come from!) ...

3.290 A metal disc of radius a=25cm rotates with a constant angular velocity ω=130 rad/s about its axis. Find the potential difference between the rim and the centre of the disc if the external magnetic field is absent ...

does Sn2CO3 exist??????? if yes then why SnCl2+Na2CO3 does not give Sn2CO3+NaCl ?????????? ...

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*Image* are the answer a,b,c,d ??? ...

Find the emf induced across the ends P and Q of the conducting circular loop moving with a velocity (v) in the given magnetic region which has uniform magnetic field (B) directed into the plane of the screen!! *Image* ...

an ellipse has major axis and minor axis lengths as 2a , 2b let the foci be x1,y1 and x2,y2 and h,k be its center and if it slides between co-ordinate axes such that it touches the x and y axis at all times i)find the locus o ...

\int _{0}^{1}e^x(x-1)^ndx=16-6e;n\epsilon N,n\leq 5 ...

Ques) Evaluate the following integral:- *Image* for -1 < x <1 ...

Show that there exist infinitely many positive integers A such that (1) 2A is a perfect square ; (2) 3A is a perfect cube ; (3) 5A is a perfect fifth power. ...

Part 1 *Image* here the radius side of the successive square is half of the original one... (The whole thing goes to infinity) Side of the Largest square is 1. Part 2 *Image* Find the CM of this system... Here you successivel ...

Q)there are 4 boys and 3 girls find the no. of ways to seat them in straight chairs such that no girl sits together. a) 7! b) 4!*3! c) 4!*5*4*3 d) 4!*4! ...

what is remainder when 5 power 5 power 5...... 24 times 5 (the base 5 is also included ) is divided by 24 Plz answer in detail ...

A fuction can be written as the sum of an od an even function if: last yr's tst series question a)its continuous b)its continuous and diffrentiable c)it has asymmetric domain about origin d)its ALWAYS obvious that A fuction c ...

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In a triangle ABC , find the least value of, cot A/2 * cot B/2 * cot C/2 * cos A/2 * cos B/2 * cos C/2 ...

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