Recently Active Mathematics Questions

*Image* Please discuss the questions Got the answer of Q3. as 837 Q4. {1,2,4} and Q6. 43 ...

Is "calculus and analytic geometry by thomas and finney" good for concept clearence? Or any better choices ? ...

Please explain the stewart's theorem. ...

Whats the value of C02 - 2C12 + 3C22 - ....... (-1)^n(n+1)Cn2 stuck at this easy one I suppose............. ...

If a,b,c are in GP and x,y are the arithmetic means of a,b and b,c respectively,prove that 1) a/x + c/y = 2. 2) 1/x + 1/y = 2/b . ...

My Friend "Mr G is" stuck at the upper-left corner of a 4x4 grid. Every second, he takes a step to an adjacent square (no diagonal movements allowed) with equal probability. Immediately after he changes squares, there is a 1/ ...

Q:=> Two numbers a,b are chosen from the set \left\{2,2^{2},......,2^{25} \right\} . Find the probability that log_{a}b is an INTEGER. Q:=> An instrument is being tested, upon each trial the instrument fails with probab ...

if number of function defined from f={1,2,3,4,5,6}→{7,8,9,10} such tht the sum of f(1)+f(2)+f(3)+f(4)+f(5)+f(6)=odd number is 2n .then find the value of n??? ...

If A=[-sin@cos@ cos@ sin@],then prove that limn→∞ An/n is a null matrix. ...

How will you prove that ||An||=|A|n2 ...

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How many questions did you guys crack? Post answers of relevant questions. Expected cutoff for 12th? ...

$If $m\in\left(0,\frac{5}{6}\right)$. Then Calculate value of $m$ in \\\\$\int\limits_{0}^{2}\left|\frac{1}{3}x^3+mx^2-2x-2m-\frac{1}{3}\right|dx=4$ ...

$Calculate $\int_{0}^{\frac{\pi}{2}}cos^{2009}x.cos(2010x)dx=$ ...

Prove that the number nm(n-m) is even for any integers n & m ...

∫pi0 1/1+tanx dx ...

Find the sum of numbers in the 200th box (1) + (2 + 3) + (4 + 5 + 6) + (7 + 8 + 9 + 10) + ...................... Easy... just think a bit... not for all experts... but try...!! ...

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Let Xn be the n-th non square positive integer. Thus X1=2 , X2=3 , X3=5 , X4=6 , etc. For a positive number x, denote integer closest to it by <x> , if x = m + 0.5 where m is an integer then define <x> by m , for ...

five ticket x1, x2, x3, x4, x5 are drawn from fifty tickets numbered 1,2,3...,50 and arranged in ascending order x1<x2<x3<x4<x5. what is the probability that x3 = 30? ...

∫0pi/4 2tanxsinx/1+sin2x dx ...

Any shortcut method to find out the length of major and minor axes of an ellipse from its standard 2nd degree equation? ...

A function F:R→R+ is such 2F(x+2)+F(x+1)y+F(x+4)=0,24F(x+2)-2y+3=0 and F(0)=2.If ∫f(x)dx=F(x) +C and∫01f(x)dx=2 then find the value of ∫01f(3x)dx. ...

1) In triangle ABC, E is on AC so that CE = 3AE and F is on AB so that BF = 3AF. If BE and CF intersect at O and line AO intersects BC at D, compute OB/OE and OD/OA . 2) In triangle ABC, points D and E are on sides BC and CA ...

let F(x) and G(x) be two cubic polynomial functions such that F(G(x))=G(F(x)). F(0)= -24, G(0)=30 find the value of F(3) + G(6) ?? ...

Find ∫ ex/x dx. ...

how to find the last digit of 7201 ...

the radii of two concentric circles are 13cm and 8cm . AB is diameter of bigger circle. BD is tangent to the smaller circle touching it at D . find the length of AD? ...

SHARE: 1. Let N = 1111 ........ 11 {1998 times}, then find the 1001th digit after decimal for √N. DOUBT: 2. \textup{If } \frac{1}{1! 11!}+\frac{1}{3! 9!}+\frac{1}{5! 7!} = \frac{2^{n}}{m!} \textup{and } f\left(x+y \right) = ...

how many circular bracelets can be formed using 3 red beads and 6n blue beads! ...