Recently Active Questions

acid strength :H3PO4,H3PO3,H3PO2 ...give the order ...

for practice \text{if x,y,and z are the distances from vetrices A,B,and C to orthocentre respectively then prove that }\\ \frac{a}{x}+\frac{b}{y}+\frac{c}{z}=\frac{abc}{xyz} ...

5 men a1,a2,a3,a4,a5 are wearing caps of white or black colour without knowing the colour of his own cap.It is known that man wearing a black cap always speaks the truth and the one wearing white always tells lie.If the make ...

Give structure of H4P2O5. How to distinguish between Aniline and N-methylaniline? ...

Which one of the BT STS papers among 3-7 would you recommend? i must learn something new... ...

1...WHY IN CASE OF NO and CO TYPE OF MOLECULES ENTROPY IS NOT ZERO AT OK? ...

what are procucts of reductive ozonlysis of a)acetylene b)1,3 butadiene ...

*Image* ...

\int (x^{2}+2x + 3)\sqrt{x^{2}+x+1}dx please help. ans nahin pata mujhe... full soln. hi likhiyo. aur haan dekhene walon sirf dekho maat try karo aur post the soln. ...

Can anyone plzz explain the principal of superposition in electrical circuits I have learnt it before from Arihant But had some conceptual doubts Hence this thread ...

TODAY IS THE BIRTHDAY OF NISHANT SIR SO WISH HIM HAPPY BIRTHDAY ...

If someone found a motionless string reaching vertically up into the sky and hanging down nearly to the ground - then should that person consider it as evidence for UFO's ? [56] Or could there be an explanation in agreement w ...

A bag contains tickets numbered 1,2,3..........50 of which 5 tickets x1,x2,x3,x4,x5 are drawn at random and arranged in ascending order of magnitude x1<x2<x3<x4<x5.What is the probability that x3=30? ...

The electrical conducitivty of soln of acetic acid will be __________,if a soln of NaOH is added ...

` ...

Find the value of k so that the function f(x) = kx + 1, if x ≤ π = cos x, if x ≥ π Is continuous at x = π. ...

2e^{-1/4}<\int_{0}^{2}{e^{x^{2}-x}}dx<2e^{2} .PROVE THE INEQUALITY. this one is definitely a mind freak. ...

\int_{0}^{1} \left(1- x^2 \right)^{\frac{5}{2}} ...

` ...

find the point inside the traingle such that sum of squares of the distances of that point from vertices of triangle is minimum i hav read somewer its centriod is it correct? if correct how u prove it? ...

\int \left\{1+ 2tanx(tanx + secx ) \right\}^{1/2}dx ans---> lnsecx(secx + tanx) +c ...

\int \frac{cosx - sinx}{\sqrt{8-sin2x}}dx ans-----> sin ^{-1}\left(\frac{sinx + cosx}{3} \right)+c ...

\int f(x)sinxcosx dx = \frac{1}{2(a^{2}-b^{2})}log (f(x)) + c THEN f(x) = ???? ans GIVEN ----> \frac{1}{a^{2}sin^{2}x + b^{2}cos^{2}x} ...

which of the following is used in toothpaste? 1) Mgcl2 2) MgCO3 3) CaSO4 4)Cacl2 ...

1. What is the product of reaction between an acid amide and HNO2 ? 2. distinguish between acid amide and substituted amide ...

find the minimum value of (3sinx-4cosx-10) * (3sinx+4cosx-10) ...

here below i list the thngs i learnt in org in t iit...correct me if i am wrng 1) conjugation imlies... pi sigma pi sigma or, pi sigma free elec sigma pi... or, pi sigma - sigma pi.. when - is on a C atom ...

THREAD CLOSED SORRY I' M SUCH A FOOL.I DID THE SAME QUESTION FORASISH YESTERDAY ONLY.[3][3][3] ...

HCV pg 35..q 30 a vertical cylinder of height 100cm contains air at a constant temperature.the top is closed by a frictionless light piston.The atmosspheric pressure is equal to 75 cm of Hg.mercury is slowly poured over the p ...

total no of functions f from the set A={0,1,2} to set B={0,1,2,3,4,5,6,7} such that f(i)<=f(j) for all i<j.i,j ε A...is answer 10C3 ...