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10∫19 (sin x / 1+x8 ) dx < A. 10 -10 B. 10 -9 C. 10 -8 D. 10 -7 ...

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Two blocks A and B are kept on a rough surface of coefficient of friction u=0.1 . Block B is pulled with a constant time varying velocity v(t)=0.1t . Spring constant is k=100 N/m.Then answer the following : 1. Work done by sp ...

lim { (1/n)((2n+1)(2n+2)2n+3)............(2n+n)^1/n))} n-->∞ ...

1) A solution of 0.2 gm of a compound containing Cu2+ and C2O42- ions on titration with 0.02 M KMnO4 in the presence of H2SO4 consumes 22.6 ml of the oxidant. The resulting solution is neutralized with Na2CO3, acidified with ...

0∫∞ dx / (x2+a2)(x2+b2) do we need to apply partial fraction here ?? ...

What is a Lewis Base and how to identify Lewis Base in I3- ? Please explain. ...

*Image* if the system is slightly disturbed the rod starts falling down in the direction of the block, form equations to find velocity of block at the instant it leaves contact with the ball (i have solved this one....but jus ...

The time period of physical pendullum is minimum when its length is equal to the radius of gyration about its centre of gravity ...

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I'm not having any sort of problem in organic.. but for having good command over that, I wish to enquire about a book which has good problems to solve.. Arihant is not getting approved by a lot of people here but as the matte ...

What is pπ-dπ back - bonding ? ...

(2^x)=(x^3)+1 ...

1) Which of the following resonating structures of 1- Methoxy -1,3 -butadiene is least stable (a) H2C - - CH=CH - CH =O + - CH3 (b) H2C = CH2 - - CH2 - CH = O + CH3 (c) H2C - - + CH - CH = CH - O - CH3 (d) H2C = CH - - CH - + ...

(1) f:R-->R f((x-y)2)= (f(x))2 -2xf(y) +y2 then f(x)= ...

1.If a^2+b^2=2 and a,b are real.Find the interval of a+b. 2.If a^2+b^2+c^2=1 then find the interval of ab+bc+ca. ...

limit x->pi/2 \frac{x-\pi /2}{cosx} i know by l'hopitol rule we can do.... this is my attempt without using l'hopitol rule but cosx=( {x-\pi /2} )(x-other root)..so on..... so \lim_{x-->\frac{\pi }{2}}( x-\frac{\pi }{2} ...

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(please do not consider this to be a stupid thread...though it may seem to be one) this thread is to form a group of guys who are going for FTSE(conducted by FIITJEE) on the 4 th October,2009 ! you are requested to respond in ...

tan x = sin x ...

y=x{x} ...

sin π{x}+cos π{x}=1 Where the angle here is in radians.... ...

*Image* i want answer to Q7 Q8 for targetiitians ...

As there is a large separation between molecules of gas,what is in between the molecules ? Is vacuum existing there ? ...

Draw the rough sketch of of portions of curve x2=4[√x]y and y2=4[√y]x that lie within the square the square {(x,y) | 1≤x≤4, 1≤y<4}. Hence find the area that encloses the two curves and the line x+y=3 ...

0∫1 x (1-x)/1+x) = ?? A. 1 B. 1- π/4 C. 1+π/4 D. none of these ...

THE RMS CURRENT FLOWING THROUGH THE INDUCTOR AND CAPACITORARE 0.6A AND 0.8A RESPECTIVELY.THEN CURRENT COMING OUT OF SOURCE *Image* ...

the impedance f a series circuit in an ac circuit is ...