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| #
| Voted to
| Points
| Post
| Rate Date
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| 1 |
Hari Shankar |
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Find summation upto n terms if:
T(n)= (n^2.4^n)/(n+1)(n+2) |
13 Oct 2010 13:45:54 IST |
| 2 |
Hari Shankar |
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Find summation upto n terms if:
T(n)= (n^2.4^n)/(n+1)(n+2) |
13 Oct 2010 13:45:23 IST |
| 3 |
Hari Shankar |
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if a(4a + 3b + 2c) >0
and the eq. ax2 + bx + c
prove that root is not in (1,2). |
16 Sep 2010 11:08:19 IST |
| 4 |
sonne |
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P .T . if a, b ,c ,d are 4 +ve integers , then [(a^2 +1)(b^2 +1 )(c^2 +1)(d^2+1)] / (ab |
7 Jul 2010 22:59:23 IST |
| 5 |
winx |
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integrate tan^4(x) without using mathematica or alpha
|
24 Mar 2010 17:46:24 IST |
| 6 |
DESTNASA |
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how do the pencil eraser erases off the pencil mark?
|
21 Mar 2010 09:59:55 IST |
| 7 |
eragon24 |
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find the last 2 digits of 7^(7^1000) |
23 Dec 2009 11:35:39 IST |
| 8 |
Manoj Kumar |
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a√a+b√b=183
a√b+b√a=182
what are a and b? |
13 Dec 2009 21:47:50 IST |
| 9 |
Priyak Dey |
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Hey everyone ,,,,,,,,Esp edison sir....plz chk dis out... |
9 Dec 2009 07:04:23 IST |
| 10 |
Deepak Aggarwal |
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The value of natural number A for which summation k= 1 to n f( A+k) = 16( 2^n - 1) where f satisfies |
7 Dec 2009 07:48:28 IST |
| 11 |
Tushar Sharma |
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Think Before You Answer - Is this Statement True or False - " When Two Lines Are Perpendicular Then |
3 Dec 2009 09:01:05 IST |
| 12 |
Hari Shankar |
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hard question |
3 Dec 2009 07:13:16 IST |
| 13 |
Hari Shankar |
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hard question |
3 Dec 2009 07:13:12 IST |
| 14 |
Hari Shankar |
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Find the number of solutions of x^2 - y^2 = 40902. |
30 Nov 2009 13:39:38 IST |
| 15 |
sourabh medapati reddy |
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for a,b,n belonging to the set of natural nos,prove that a^n-b^n is divisible by a-b |
30 Nov 2009 13:37:12 IST |
| 16 |
Yagyadutt Mishra |
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for a,b,n belonging to the set of natural nos,prove that a^n-b^n is divisible by a-b |
30 Nov 2009 13:37:10 IST |
| 17 |
Deepak Aggarwal |
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Find the equations of the two planes through the points ( 0, 4, - 3 ) and ( 6, - 4, 3 )
other than |
27 Nov 2009 16:48:59 IST |
| 18 |
dc16 |
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PLEASE SOLVE IT'S VERY URGENT |
21 Nov 2009 14:40:23 IST |
| 19 |
edison |
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A stone is thrown vertically upwards with a speed of 28m/s . Find its velocity one second before it |
15 Nov 2009 14:54:29 IST |
| 20 |
jee-do or die |
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A stone is thrown vertically upwards with a speed of 28m/s . Find its velocity one second before it |
15 Nov 2009 14:45:36 IST |
| 21 |
Hari Shankar |
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Q.....a ,b, c are + real nos.....if a+b+c=6then (a+b^-1)^2+(b +c^-1)^2 +(c+a^-1)^2 >=OPTI |
15 Nov 2009 11:45:06 IST |
| 22 |
Hari Shankar |
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in complex numbers, if x=2+5i, then the value of x^3-5x^2+33x-19= |
15 Nov 2009 11:22:13 IST |
| 23 |
edison |
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a light rod is pivoted at its center and 2 masses 5kg and 2 kg are hung from the ends as shown in th |
13 Nov 2009 12:07:38 IST |
| 24 |
Chris Martin |
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A car starts from rest with an acceleration of 6ms^-2 which decreases to zero linearly with time |
12 Nov 2009 23:09:34 IST |
| 25 |
jee-do or die |
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eq of circle passing through (2a,0) & whose radical axis in relation to circle x^2 + y^2 =a^2 is x= |
12 Nov 2009 22:38:49 IST |
| 26 |
apollo |
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How to prove Riemann hypothesis. mail your solution |
12 Nov 2009 11:03:24 IST |
| 27 |
Yagyadutt Mishra |
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If a tangent to the ellipse x^2/a^2+y^2/b^2=1 with slope m is a normal to the circle x^2+y^2+4x+1=0, |
11 Nov 2009 16:23:37 IST |
| 28 |
jee-do or die |
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If x,2x+2,3x+3 are in G.P, then the 4th term is |
10 Nov 2009 22:12:34 IST |
| 29 |
Yagyadutt Mishra |
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A parallelogram has vertices at (0,0), (2,2), (6,2) and (4,0). Point P has coordinates (2006,2007). |
10 Nov 2009 16:19:33 IST |
| 30 |
Hari Shankar |
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pls tell me the coefficient of x^97 in the expansion of (x+1)(x+2)(x+3)------------(x+99)(x+100).
r |
10 Nov 2009 07:47:46 IST |
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