Recently Active Questions

1)∫ sin x dx ...

A very simple one... specially the 2nd one... a) if x+y+z=0, x3+y3+z3=3xyz b) Prove that if x, y, z are positive, x3+y3+z3≥3xyz ...

2|x||y|+2|x|-1 ≤ 1 ; |x| ≤ 1/2 and |y| ≤ 1/2 ...

We say that something is white in colour because it reflects all the incident wavelengths... Why is it that Mirror is not white? Because, even mirror reflects back all the incident colours! ...

why is co-efficient of kinetic friction less than static friction? ...

In ΔABC, sinA + sinB + sinC ≤ 1, then find min(A+B, B+C, A+C) can be ...

lim (xy-yx)/(xx-yy) x→y ...

1. What English word retains the same pronunciation, even after you take away four of its five letters? 2. If I say "Everything I tell you is a lie," am I telling you the truth or a lie? 3. What work can a painter never quite ...

Consider the infinitely tall system of identical massive cylinders and massless planks shown in Fig. The moment of inertia of the cylinders is I = MR2/2. There are two cylinders at each level, and the number of levels is infi ...

You have a barrel of oil, and you need to measure out just one gallon. How do you do this if you only have a three-gallon container and a five-gallon container? ...

THESE ARE VERY SIMILAR TO ORIGINAL BITSAT STANDARD [ I'm serious ] Please DON'T DO these questions by ELIMINATION / SUBSTITUTION ..please give a valid reply with steps..it will be helpful to all BITSAT aspirants 1.If cos α = ...

How are placements at MSRIT in Chemical Engineering?? ...

my last optical isomer doubt at least for a few days from now on!!![3][3] we tell that in free radical substitution reaction takes place, the alkyl radical formed is flat in nature...and that the attack might take place equal ...

Find Domain of the following- \sqrt{(4-x^{2})/([x]+2)} ...

factorize a3(b-c)3 +b3(c-a)3 +c3(a-b)3 ...

find the no. of normals that can be drawn from a point (4,6) to circle ...

i am posting this question to make the lives of many people easier in mechanics...[1] so the concept of reduced mass goes as follows... there are two types of masses positive mass and negative mass relate to +charge and - cha ...

Heating a mixture of calcium formate and calcium acetate produces acetone acetaldehyde methane formaldehyde ...

I am starting a thread after a long time - hope everyone participates [1][4] *Image* *Image* 2 > *Image* = ?????? ...

*Image* If on the x axis, charge 10 microcoulomb is kept at 1 unit, 20 microcoulomb at 2 units, 30 microcoulomb at 3 units...and so on till infinity. What is the net electric field experienced by a positively charged particle ...

(!)Continue the sequence Newspaper , Hoarding , Television (A) Press (B) Media (C) Broadcast (D) Rumour Ans given B My Ans C (@) In ancient India scholars had no interest in political power or "material growth" "material " st ...

i)Prove that cos2A + cos2(A+ pie/3) + cos2(A- pie/3) = 3/2 ii)If sin4x/a + cos4x/b = 1/(a+b),Prove that sin12x/a5 + cos12x/b5 = 1/(a+b)5. iii)Prove that (1+cosA+sinA)/(1+cosA-sinA)=(1+sinA)/cosA. iv)If tanx=k,find sinx/cos3x ...

A Conducting Sphere S1 of radius 'r' is attached to an insulating handle. Another conducting sphere S2 of radius 'R' is mounted on an insulating stand. S2 initially uncharged. S1 is given a charge Q, brought into contact with ...

WHAT'S THE LEVEL AND THE MARKING SCHEME OF THE 12 EXTRA Q'S WHICH WE CAN TAKE IN BITS?PLS REPLY ...

1) You've got 27 coin, each of them is 10 g, except for 1. The 1 different coin is 9 g or 11 g (heavier, or lighter by 1 g). You should use balance scale that compares what's in the two pans. You can get the answer by just co ...

[x]=[y^2] ...

Thought of posting a little quickie here since I have the rights... Predict the products and explain the mechanism for the following reaction(s) -: *Image* Note : Oldies to whom I have explained this reaction are not allowed ...

WHICH IS THE ONLY LETTER ABSENT FROM THE MODERN PERIODIC TABLE ? [ Don't even look at the periodic table after you have read the question else it will be cheating ! ] ...

The following question is a conceptual one . So hope you like solving it : An article is published in the Times Of India . It reads - THEY STRIKE AGAIN : --- New Delhi , 17 - th Semptember , 2012 : Yesterday , a group of noto ...

draw graph of y = {e{x}} must be easy but anyways [4] ...