Recently Active Mathematics Questions

let f(x/2+y/2)=f(x)/2+f(y)/2 , x,y belongs to real no. f ' (0) exists and is equal to -1 and f(0)=1 , then find the value of f(2) ...

Find the domain of *Image* where [.] denotes the greatest integer function. ...

wat is arg[(31/2+i)/1-i]?? pls give me ans 2 check.. ...

Consider the set of points (x,y) in the plane which satisfied x2+y2<=100 and sin(x+y)>=0. solve the following ques. 1.) the region given by sin(x+y)>=o will be a) angular region between two concentric ci ...

real roots of the eqn 7log7(x2-4x+5)=x-1 are ...

x3n+y3n is divisible by x+y if (a)n is an integer n>=0 (b)n ia odd positive integer (c)n is even positive integer (d)n is rational ...

the no. of values of the pair (a,b) 4 which a(x+1)2+b(x2-3x-2)+x+1 is an identity (a)0 (b)1 (c)2 (d)∞ ...

What is the value of cot 142.5 ...

3)a sum of money is rounded off to d nearest rupee d rob that d roundd off error is at most 10 paise is ? ...

2)a natural no x ischossen at random frm dfirst 100 natural nos . d prob that x+100/x>50 is ? ( here if we take ne no gr8tr then 50 then it satisfies d given condition in addition to this if we take 1,2,48,49 it safist ...

1) A mapping is selcted at ranodm frm d set of all d mappings of d set A={1,2,3.....n} into itself .d probabbility that d mapping selcted is one to one is ? ...

eliminate θ and φ if sinθ+sinφ=a , cosθ+cosφ=b and tan(θ/2)tan(φ/2)=c the way i tried to solve this ques...has made the solution complex... ...

A five-rupee coin,3 two-rupee coins & 2 one rupee coins are stacked together in a column at random. The probability that the coins of the same denomination are consecutive is ...

the no. of values of triplet (a,b,c) 4 which acos2x+bsin2x+c=0 is satisfied by all real x ...

for a hyperbola with x-axis as the axis which the hyperbola intersects, why do why bother to find (0,±b). ...

*Image* ...

How many six digit numbers can be formed from 0,1,2,....8,9 such that,every number contains exactly 3 distinct digits ...

if 1,a1,a2 ......an-1 are n roots of unity then the v alue of (1-a1)(1-a2)...(1-an-1) is ...

if one root of the eqn ax2+bx+c=0 is reciprocal of one root of eqn a1x2+b1x+c1=0 then relation b/w a,b,c and a1,b1,c1 ...

|x|+|y| =1 when xand y are mutually prependicular lines ...

if α,β are roots of x2+px+c=0 and α4,β4are roots of x2-rx+s=0 then the eq x2-4qx+2qr-r=0 has which type of roots given p,q,r,s ε R ...

f(x)= { 3[x] -5(|x|/x) , x≠0 { 2, x=0 [.]=box function. -3/2∫2 f(x) dx. = ???? i got -13/2... ans is -11/2... ...

let x1,x2 be the roots of the eq x2-3x+p and x3,x4 be the roots of the eq x2-12x+q =0,then no's x1,x2,x3,x4 are in G.P then value of p,q ...

lim x->pi/2 [x/2]/log(sinx) = ???????? ...

*Image* ...

if the roots of the equation x2-px+q=0 differ by unity then p2= ...

*Image* ...

the eqn of circle passing through (1,1) and having two diameters along the pair of lines x2-y2-2x+4y-3=0 ...

We can differentiate any function but we can't integrate many functions. Why?????? ...

*Image* ...