Recently Active Mathematics Questions

Find common region area x2+y2-4≤0 and y≥[sin(πx)]/4 ...

1)cos2x+cosy=0 2) mod(x)+x=mod(y)+y 3)logxlogyx>0 I just dont want the graph.......I want the complete method to plot it.... ...

Find area enclosed by e-mod(x) and X axis ...

while i was doin a big prob...........i was stuck in between wher i shud integrate sumthing...........hw do v do tht???????? x2/√1-x2...............dnt scold me if its too easy k?? ...

The least dist. b/n y2=4ax and (y-ba)2=-4ax is 8√5a,where b is posiive. The value of b is_? ...

Find the curve y=f(x) where f(x)>=0, f(0)=0, bounduing a curvilinear trapezoid with the base [0,x] whose area is proportional to to (n+1)th power of f(x). IT is known that f(1)=1. Answer to this question is ...

form the differential equation of the family of the curved represented by c(y+c)2=x3. where c is an arbitrary constant. ...

*Image* ...

A quadratic equation with integral coefficients has two prime numbers as its roots. If the sum of the coefficients of the equation is prime then the sum of the roots is - ? Post the method also ...

limx→4f(x)-5/x-2=1 wat is f(x) ...

if α, β, γ, δ are four complex numbers such that γ/δ is real and αδ - βγ ≠0, then z = (α+βt)/(γ+δt), tεR represents a a) circle b)parabola c)ellipse d) straight line e) hyperbola. Please answer this quest ...

Find the area bounded by r=a(1+cosθ),0<θ<2π. ...

if a,b,c are in A.P p,q,r are in H.P and ap,bq,cr are in G.P THEN PR+RP IS (1) AC-CA (2) AC+CA (3) BQ+QB (4) BQ-QB ...

A number of six digit numbers are written down at random.Probability that sum of digits is even is ...

(1+cosx+isinx/1+cosx-isinx)n= ...

All the spades are taken out froma a pack of cards.From these cards , cards are drawn one by one with out replacement till the ace of spades comes. the probability that the ace comes in the 4th draw is a)1/13 b)12/13 c)4/13 d ...

A silly question indeed... just started reading vectors and i got confused.. Got the full solution but am not satisfied... :( suppose (a-b)=cx(λ1a+λ2b)...................................(i) then what should be condition ...

There's the general rukle for limits evaluation . lim x→a f(g(x)) = f( lim x→a g(x) ). but I feel , there must be someother condition . cos of this lim x--> 0 [x3] ≠[lim x --> 0 x3] . help ...

wt r harmonic progressions? ...

1. y=xy *Image* that x=1.38 is to let U know that it is one to many... ...

Let S be the set of all vertices of a unit cube.Let T be the set of the triangles having vertices in S then the number of equilateral , scalene, and isoceles triangles are ? PLz answer quickly i want to check my answers.. ...

the sum of the integers from1to100 which are divisible by 2 or 5 (1)3000 (2)3010 (3)3150 (4)3050 ...

IF P AND Q ARE +VE REAL NO'S AND P2+Q2=1 THEN THE MAX VALUE OF P+Q IS ...

In a bolt factory machines A,B,C manufacture respectively 25%,35%,40% of the total bolts.Of their output 5,4,2 percent are respectively defective bolts.A bolt is drawn at random from the product. If the bolt drawn is found to ...

if f(x) is a continuous function from R->R and attains only irrational values , then 100 summation( f(r) ) = r=1 (a) 200 summation( f(2r+1) ) r=100 (b) 200 summation( f(r) ) r=101 (c) 101 summation( f(r) ) ...

I don't if it is in syllabus... But sir taught it... F(a)=a∫bf(x,a) F'(a)=a∫bδf(x,a)/δa Try this out in evaluating 0∫1(xa-1)/lnx ...

f(x)=x2+(LL=0,UL=x)∫e^-tf(x-t)dt ...

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Let f be a twice diff function for all real x such that f'(a)=f'(b)=0, f"(a)f"(b)<0, f"(a)>f"(b), f(a)>0, f(b)=0, a<b , also lim(x→±∞)f(x)=0, Then Minimum no of points of: ...

a,b,c,p are in G.P then ax =by=cz=pμ thren x,y,z,μ are in A.P G.P H.P NONE ...