Recently Active Mathematics Questions

what is the sum of coefficients of (1+x-3x2)^3148 ??????? please answer fast the exam is tomorow ...

*Image* given AB=L1 AO=L2 E is mid point of arc BAEC EO perpendicular to AC find OC .. a starter .. ...

Find the no. of distinct elements in {(1+ω+ω2+ω3+....+ωn)m :m,n=1,2,3,...} ...

complete the series. Q1F, S2E, U6D, W21C 1. Y44B 2. Y66B 3. Y88B 4. NONE ...

wat r lines of regression ...? ...

Q1. Find the values of a for which the inequation x^2+ax+a^2+6a<0 is satisfied for all x ε (1,2) ans: (-7- 45 )/2 < a < -4+2 3 ...

An algorithm must terminate in : 1. one step 2. finite number of steps 3. finite number of steps but sumtyms in infinite number of steps 4. none. ...

Show that the interval [0, 1] cannot be partitioned into two disjoint sets A and B such that B = A + a for some real number a. ...

Show that no set of nine consecutive integers can be partitioned into two sets with the product of the elements of the first set equal to the product of the elements of the second set. ...

if an=n/n! find Σan ...

the radius of the circular section of the sphere x2+y2+z2=25 by the plane 2x+3y-z-14=0 is?? ...

find the locus of the intersection of the normals to the parabola y2=4ax at the extremeties of a focal chord . please give a small and objective solution to this question ...! ...

multiple answer Mcq if In=0∫π/4 tann x dx then a)In+In-2=1/(n-1) b)1/2 x 1/(n+1)<In<1/2 x 1/(n+1) c)In-1+In+1=1/n d)(n-2) In=n In-2 ...

circles are described on any two focal chords of a parabola as diameters . prove that their common chord passes through the vertex of the parabola . ...

find the locus of the the point of the intersection of the normals to the parabola x2=8y which are at right angles to each other . ...

1] the expressions 1+x , 1+x+x2 , 1+x+x2+x3 ,...........,1+x+x2+x3+.................+xn are multiplied together and product of the terms thus obtained are arranged in the increasing powers of `x` in the form of a0+a1x+a2x2 +. ...

How many different signals can be made by hoisting 6 differently coloured flags one above the other ,when any number of them may be hoisted at once? The answer i got is 514800........tell me whether im correct or not. ...

Find the least positive integer n such that any set of n pairwise relatively prime integers greater than 1 and less than 2005 contains at least one prime number. ...

Consider f(x)= ax2+bx+c, for |x|≤1. a,b,c are real numbers. If |f(x)| ≤1, find the maximum value of |2ax+b|. ...

1.Prove that any number, with zeros standing in all deci- mal places numbered 10n and only in these places, is irrational. 2.Do we have problems related to humidity and saturated pressure in iit-jee?(i know jee can ask any ki ...

*Image* ...

prove that there exists a triangle which can be cut into 2005 congruent triangles ...

find out d next term in series 2,5,14,122,365 a1029 b 1094 c 1059 d 1000 ...

inside a equilateral triangle ABC a point P moves such that d(P,BC)>=MAX{d(P,AB),d(P,AC)} then the area bounded by all possible positions of P is a)trinagle b)circle c)quadilatral d)pentagon ...

1) define N=2n(2n+1 - 1) , nEN... such dat (2n+1-1) is a prime no. prove that:- i) the sum of the divisors of N are 2N. ii) the sum of the reciprocals of the divisors of N are 2. 2) find all continuous functions f : (0, infi) ...

The value of the expression Co2+C12+C22+...+Cn2 is (a)22n-1 (b)2n(2nCn) (c)2nCn (d)None of these ...

Odd one out : 1 ) Ear Lung Eye Heart // ram's logic is correct Kidney 2) 2 October // gandhi's birth 14 November // J lal Nehru's birth 19 November // Indira gandhi's birth 30 January // gandhi's death 28 June / /P V Narsimha ...

1.If the sum of the distances of a point from two perpendicular lines in a plane is 1,then its locus is (a)a square (b)a circle (c)a straight line (d)two intersecting line 2.If a,b,c are unequal and different from 1 such that ...

1. The proposition p \Rightarrow \sim (p \wedge \sim q) is a . contradiction b. tautology c. either (a) or (b) d. none of these ...

Let rth termof the series be given by Tr= r/1-3r2+r4 then \lim_{n\rightarrow \propto \sum_{r=1}^{n}{T_{r}}} is :- a) 3/2 b) 1/2 c) -1/2 d) -3/2 ANS :- (c) PLEASE POST THE SOLUTION IF SOLVED.... ...