-
let S =(1,2,3,4).THEN THE NO OF UNORDERED PAIR IN DISJOINT SUBSET OF S WILL B? ...
-
if p is a prime no. show that (p-2r) ! (2r-1) ! - 1 is divisible by p. ...
-
let S =(1,2,3,4).THEN THE NO OF UNORDERED PAIR IN DISJOINT SUBSET OF S WILL B? ...
-
Prove that the value of 1/2+1/3+1/4+........... till infinite terms is not finite. ...
-
"Last year my age was a square number next year it will be a cube number how old am I?" Now we all know you'll be the smartass, and say the closest square and cube separated by 2 are 25 and 27, so the answer is 26. Yeah, I al ...
-
Prove that the eqn cos 2x + a sinx = 2a- 7 possesses a solution if 2≤a≤6 . ...
-
1) Find the least positive integral value of "k" such that it satisfies- {\begin{pmatrix} cos\frac{2 \pi}{7}\ -sin\frac{2 \pi}{7}\\ sin\frac{2 \pi}{7}\ \ cos\frac{2 \pi}{7} \end{pmatrix}}^k = \begin{pmatrix} 1 \ 0 \\ 0 \1 \en ...
-
If A, B are two square matrices such that AB=A and BA=B , then prove that B2=B ...
-
Show that C_{0} - C_{1}\left(\frac{1+x}{1+nx} \right)+C_{2}\left( \frac{1+2x}{(1+nx)^{2}}\right)-C_{3}\left(\frac{1+3x}{(1+nx)^{3}} \right)+ ......... =0 ...
-
if n is number greater than 3, show that n2-1 is a multiple of 24. ...
-
prove for all real x1 and x2 (x12+x12)/2>[(x2+x2)/2]2 ...
-
In normalized floting point representation 0.8642E02 \div 0.2562E02 gives : how to do this ?? ab ye kaunse chapter se related hai... Pehle bar aisa question dekh raha hun ...
-
dbt How many non-similar trinagles can be constructed whose vertices are vertices of a 1) 21-sided regular polygon? 2) regular n-gon ? PS - I don't know if this is the r8 forum for this, coz it may not be a JEE problem as suc ...
-
If x∩=(1+1/n)^n , n is a natural number. . . then prove that (1) x∩ is an increasing sequence . . . (2) Prove that 2<x∩<3. ...
-
1) evaluate \sum_{r=1}^{667}\binom{2000}{3r-1} 2)evaluate \sum_{r=1}^{2008}r.r! 3)find \prod_{r=1}^{45}(1+\textup{tan} (\textup{r})) ...
-
*Image* ...
-
In how many ways can n identical balls be distributed to nine persons A,B,C,D,E, F,G,H, I so that the number of balls recieved by A is the same as the total number of balls recieved by B,C,D,E together? As of yet, I haven't b ...
-
x,y,z are real no such that 0<x,x,z<1 and x+y+z=2,then xyz/(1-x) (1-y) (1-z). can take value? ...
-
Find no. of solutions of sin mod x = x-mod x? ...
-
p,q € I such that p2 + q2 =30q2 +517 then the value of 3p2q2 will be???? a 169 b 488 c 588 d 688 ...
-
p,q € I such that p2 + q2 =30q2 +517 then the value of 3p2q2 will be???? a 169 b 488 c 588 d 688 ...
-
*Image* ...
-
IF x,y belongs toR AND x2+y2+xy=1,then minimum value of x3y+xy3+4=? ...
-
Let |S| denote the number of elements in the set S while n(S) denote the number of subsets of S including itself and the null set. If A, B, C are sets for which n(A) + n(B) + n(C) = n(A U B U C) and |A|=|B|=100, find the mini ...
-
1. let ABCD be unit sqaure. Four points E F G nd G are chosen on the sides AB BC CD nd DA respectively. the lenghts of the sides the quadrilateral EFGH are a,b,c,d. which of the following is true?? a. 1<=a2+b2+c2+d2<=2 ...
-
find 1.22+2.32+3.42+.....to n terms ...
-
a friend is managing a GOOD TOTAL IN aieee but has got only 24 in MaTHEMATiCS will he clear SUBJECT WISE CUT OFF for """""MATHEMATICS???" ...
-
Which one is greater: (31)11 or (17)14 plzz help....... ...
-
Not dbts, but action here has slowed up a bit, so trying to bring them up.... 1) Reals x,y satisfy x^2+y^2+xy=1 . Find the minimum value of x^3y+xy^3 . 2) This is a bit common sum. (3+x^{2008}+x^{2009})^{2010} =\sum_{i=0}^{i= ...
-
FIND MODULUS OF sin(x+iy) ...