Recently Active Questions

1. ∫cos2x/ (1+tanx) dx 2. ∫[(x/e)x+(e/x)x] lnx dx ...

*Image* Q1)In the circuit shown in figure switch S is closed at time t=0.Let i1 and i2 be the currents at any finite time t ,then the ratio i1/i2 a. is constant b.increases with time c. decreases with time d.first increases a ...

A row contains 1000 integers The second row is formed by writing under each integer, the number of times it occurs in the first row The third row is now constructed by writing under each number in the 2nd row, the number of t ...

is there any test on alcohol, ethers????????plzzz do tell me... ...

when there is a competition between the carbonyl bond and c=c double bond in the case of b.v. oxidation...the double bond gets preference under ordinary conditions and forms epoxides but the preference is just the other way i ...

I M GETTIN IN LPU BUT I M IN TWO MINDS PLEASE TELL ME WETHER LPU IS ADVISABLE UR ADVICE WLD B HELPFUL!!! ...

hello sir please let me know whivh one is better hindustan institute of technology noida or lovely professional university punjab ...

∫ x+ x2+2 dx = ? ...

Q Draw the graph of Total number of solutions of x2-2-2[x]=0 ...

Not for >12th Solve the equation: \frac{x^3}{x^3 + 27+9x(x+3)} = \frac{x-3}{x+6} ...

Q Draw the graph of y=sin2|x|+cos2x ...

Plot the graph of sin^-1( 2x/1+x2 ).... ...

For how many positive integers n is (1999+ 1/2)n + (2000+ 1/2 )n an integer? ...

Prove that for all n\ge1 , 1+5^n+5^{2n}+5^{3n}+5^{4n} is composite ...

one for teachers and senior students i was solving a puzzle and i got something like 10∫lnx. ln(1-x) / x.(1-x) dx can it be simplified to give an exact value by an expert with loads of experience ? the ans im expecting shud ...

1) Buy at least such a number of books that even if you do not clear IIT you may be able to earn your livelihood by opening a library. 2) Spend 10-12 hours on self study. Out of which at least 7 hours should be kept reserved ...

Really Simple Question which i cudn't do [2] If out of a group of students, atleast 90 % have chosen Sports, atleast 80 % chose Music and atleast 70 % chose Studies, then the % of students who have chosen all three is atleast ...

What will be the graph of [y]=|sin x|+|cos x|?? ...

g(x)=1/2(x^102)-23(x^101)-45/2(x^2)+1035x.....then find g(46) and g(45/2)???????????? ...

{\color{red} 17^{14}>31^{11}-\mathit{Prove...}} ...

Does anybody know whether this new centre of 'Adudine' is a good one for the correspondence course or rankers study materials or the classroom coaching? Any idea? ...

Two positive integers are chosen. The sum is revealed to logician A, and the sum of squares is revealed to logician B. Both A and B are given this information and the information contained in this sentence. The conversation b ...

A small object is at rest on the edge of a horizontal table.It is pushed in such a way that it falls off the other side of the table,which is 1m wide in 2s.Does the object have wheels ?? ...

*Image* ...

x^3+y^4=7 Prove that the eqn has no integer solns. ...

*Image* can somebody explain the above curves ....and the concept of azeotropes .......to me .....this image has been copied from wikipedia ... so as you can judge i have read the material up there ....but still i am confused ...

Q1. A metallic shell of radius r is surrounded by an isotropic dielectric of dielectric constant k upto a radius R. Find the capacitance of this system. Q2. A metallic sphere of radius a is surrounded by two concentric metall ...

*Image* Two charges +q1 and -q2 are placed at a and b respectively. A line of force emerges from q1(at an angle α with line ab) and terminates at -q2. At what angle will it terminate (β) at -q2 ?? ...

who are the teacher here? ...

f(x)=mod(modx-1) find f'(x) ...