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If y = sinx/1 + cosx/1 + sinx/1 + cosx/1 + ............ upto infinty. then prove ; \frac{dy}{dx} = \frac{(1+y)cosx+sinx}{1+2y+cosx-sinx} ...

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The equation of circle(s) of radius 1 & touching the circles x2 + y2 - 2|x| = 0 is ? ...

A BLOCK OF MASS M IS SUSPENDED THROUGH A SPRING OF SPRING CONSTANT K AND IS IN EQUILIBRIUM.A SHARP BLOW GIVES THE BLOCK AN INITIAL DOWNWARD VELOCITY V.HOW FAR BELOW THE EQUILIBRIUM POSITION THE BLOCK COMES TO AN INSTANTANEOUS ...

1.find min value of:secA+secB+secC where A+B+C=PI. ...

*Image* plz explain ur name too!!!!!! ...

If f(x)=\frac{a^x}{a^x +\sqrt{a}} [a>0] then evaluate \sum_{r=1}^{2n-1}{2f(\frac{r}{2n})} ...

multiple answer type An optically active compound (A) C4 H 7D decolorizes red brown colour of Br2 solution, when treated with D2 / Ni at 25°C it gives B(C4 H7 D3 ) and another isomers C with same molecular formula, which of ...

1.arrange order of polarity(with logic)-NH3,PH3,AsH3,SbH3. 2.which of these has the strongest sigma bond-ethane/ethene/ethyne/benzene? ...

A 15-letter word is to be formed by using 5A's, 5B's and 5C's.....Such dat there are no A's in the 1st 5 places, no B's in the next 5 places and no C's in the last 5 places. How many such words are possible? AKS solved dis fo ...

Q1 x_n=1^2-2^2+3^2-....+(-1)^{n-1}n^2 . Find x101 Q2 Find no of roots of (2.4)x=(2.6)x-1 Graphically it appears that one soln...but i am loooking for algebraic soln... Q3 If a,b,c ε R and (b-1)2<ac then find no. of solns ...

*Image* please explain the physical significance in the ihtersection of the lines of partial vapour pressure wen un equil. ...

i hav jus started with organic chemistry....can u all tell me will the theory der in brilliants study material be sufficent for it or do i need to study something else also from somewer???? ...

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only DD atached naa ???any certificates ??? ...

sry question got posted twice ...vry sorry for dat , nishant sir remove dis post , btw da question is here http://targetiit.com/iit-jee-forum/posts/functionssss-13844.html [1] ...

FeC2O4 --> Fe 3+ + CO2 a)oxidation b)reduction C)disproportion d)redox reaction e)conversion multiple option correct question........... ...

in ΔABC,O,N,G,O' are circumcentre,nine point centre,centroid and orthocentre .AL and BM are perpendiculars from A nad B on sides BC and CA.Let AD be the median and OD is perpenndicular to side BC and R be circumradius of ΔA ...

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A wave disturbance in a medium is described as ----- y(x,t) = 0.02cos(50pi.t + pi/2)cos(10pi.x)--- A) A node occurs at x = 0.15m B) An antinode occurs at x = 0.3m C) The speed wave is 5 m/s D) The wavelength is 0.3m ...

There are 5 identical red balls, 6 identical green balls, 7 identical black balls and 8 identical white balls, the number of ways of selecting five balls from them is ...

Find the area of the pentagon whose vertices are (4,1) (3,6) (-5,1) (-3,-3) and (-3,0) Use 1/2{ |x1 x2| + |x2 x3| +......+ |xn x1| } |y1 y2| |y2 y3| |yn y1| ...

IF n IS THE FREQUENCY OF AN SHM THEN WHAT IS THE FREQUENCY OF ITS KINETIC ENERGY? ...

All those who r in colleges now..... can please get me their 1) college's cultural head name and contact no. 2) Ur college name 3) Ur name and contact No. For any Info contact the below mentioned... Prateek Punj 09910062980 D ...

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Find the fixed point which all chords of the curve 3x2 - y2 - 2x + 4y = 0, subtending a right angle at the origin, pass through. ...

Ques 1) Find the electric field vector at P (a,a,a) due to three infinitely long lines of charges along x,y and z - axes respectively. The charge density i.e is charge per unit length of each wire is @. *Image* Ques 2) A syst ...

So, whats your japanese name? Take each letter of your name and substitute it with the japanese sound to the right of the letter. A- ka * B- tu * C- mi * D- te * E- ku * F- lu * G- ji H- ri * I- ki * J- zu * K- me * L- ta * M ...

ABCD is a square of side 1.P,Q lie on AB and R lies on CD.FInd all possible values of circumradius of triangel PQR ...