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A tube of length L contains a gas at temperature T. One end of the tube is closed and the other end is open. A small speaker producing sound of variable frequency is placed at the open end. The frequency of the speaker is inc ...
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PLS ATLEAST HAVE A LOOK CALCULUS BEGINNERS http://www.plu.edu/~heathdj/java/calc1/Epsilon.html ...
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This thread will focus on some very basic things of organic chemistry. They mainly will help to solve problems that are based on passage type questions. Feel free to contribute. Please do not post everything in a single post. ...
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Let d be the perpendicular distance from the center of the ellipse x2/a2 + y2/b2 = 1 to the tangent drawn at a point P on the ellipse. If F' and F'' are the two foci of the ellipse , then show that (PF' - PF'')2= 4a2[ 1- (b2/ ...
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find locus of center of circle which touches (y-1)2+x2=1 externally and also touches X axis. ...
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Prove that from a point (a,b) of the circle x(x-a) + y(y-b) = 0, two chords, each bisected by the axis of x (rather x-axis), can be drawn if a2>8b2 [This is not my doubt, so provide complete solution for everyone's benefit ...
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if the equation z4+a1z3+a2z2+a4=0,wherea1,a2,a3,a4 r real coeffiients diff. from zero has pure imaginary root then the expression a3/a1a2 + a1a4/a2a3 ha d value 1. 0 2. 1 3. -2 4. 2 ...
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find the range of y y=1/|sinx| +1/|cosx| ...
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\sum_{r=0}^{n-1}{}\sum_{j=1}^{n-r}{} (n-j)Cr=? a.1 b. 2^{n} c. 2^{n}-1 d. 2^{n-1} ...
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Q Find the intersections of {y}=cos|x| and [y]=sin2x from (0,∩) ...
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Find the locus of intersection of 2 circles(equal) which are described on 2 sides EF and EG of a triangles as chords in a rectangular hyperbola whose centre is middle point of FG and which passes through E,F,G ...
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Here is a problem that i got stuck onto.Pls help me out. 1) A non-conducting sheet of large surface area and thickness 'd' contains uniform charge distribution of density 'Ï'.find the electric field at a point 'P'inside the ...
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Ques1) Let g(x) = {log(1+x)} -1 - x-1 , where x>0, then (a) 1<g(X)<2 (b) -1<g(x) <0 (c) 0<g(X)<1 (d) none of these Ques2) Show that the interval in which x3 increses more rapidly than 6x2+15x+5 is (5,infi ...
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Ok here r a few ques i found quite tricky...well at least to me they were tricky..and hence i cud not solve them:)so pls do me a favour and solve them for me. 1)Solve |2x-1/x-1|>2 2)Solve |x/x-1|+|x|=x2/|x-1| 3)solve (x+3) ...
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If x2+y2-14x-6y-6=0 ,then find maximum possible value of 3x+4y ...
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What is the minimum distance between circle x2+y2=9 and curve 2x2+10y2+6xy=1? ...
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The following is a system of quadratic equation with a,b,c being real and a≠0..... ax12+bx1+c=x2 ax22+bx2+c=x3 ax32+bx3+c=x4 ax42+bx4+c=x5 . . . . . . . . axn-12+bxn-1+c=xn axn2+bxn+c=x1 Answer the following questions.... Q ...
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For a certain process ,the molar heat capacity of an ideal gas is CV+ R/2. Then identify the process a)PV=constant b)P/V=constant c)V2/P=constant ...
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A point source S of light is emitting power P.A sphere of radius r is situated at distance R from source S (R>>>r),has mass M ans specific heat capacity C. Find the time in which temperature of sphere rises by θ°C ...
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hey guyys a nice sum.... plz try it outt if there r n points on a circle....no. of triangles that can be formed by joining them.....note:no three lines intersect at a point.....[the answer iss not nC3 u have to consider the s ...
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Find the largest two digit prime factor of 200C100 ...
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Q1 If a≠b,then equation zz+az+bz+c=0 represents ? Q2 If a=b,c εR and lbl2>c ,then equation zz+az+bz+c=0 represents ? Q3 If a=b,c εR and lbl2<c ,then equation zz+az+bz+c=0 represents ? ...
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1) Show that the soln set of eqns (x+1) 2 + [x-1] 2 = (x-1)2 + [x+1] 2 , where [x] and (x) are the gratest integer and nearest integer to x , is x belonging to I. 2) If P(x) = ax 2+bx+c and Q(x) = -ax 2+dx+c, where ac≠0, th ...
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In how many ways can you color a cube with a) one color b) two colors c) three colors d) 4 colors e) 5 colors f) 6 colors Each of them is easy ... just needs a bit of thinking :) ...
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In a town of population of n,a person sends 2 letters to 2 separate persons,each of whom is asked to repeat the procedure.Thus for each letter recieved,2 letters are sent to 2 separate persons chosen at random, Let P1,P2,..., ...
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Find the value of [\frac{n+1}{2}]+[\frac{n+2}{2^2}]+[\frac{n+4}{2^3}]+...+[\frac{n+2^k}{2^{k+1}}]+... sum goes to infinity... Edit: [.] is the greatest integer Function We have done something of this kind before.. ...
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1. *Image* the co-effnt of friction us=0.6,uk=0.4 btwn 12kg block and 3kg rod.Find the magnitude of the acceleration of the 12kg block immediately after the wire ab is cut (both the angles=30deg.) a.5 b.8 c.2.5 d.N.O.D 2. *Im ...
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1) If sin x + sin y = 3(cos y - cos x), then find the value of sin3x + sin3y ? 2) If sin (x/2) + cos (x/2) = -1/2 , 3pie/2 < x < 2pie, then the value of sin2x? ...
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1) How many arrangements can be made with all the letters of the word "VENUS" such that the order of the vowels remains unaltered ? 2) In how many ways can 5 commerce and 4 science students be arranged in a row so that the co ...
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\int _{0}^{1}e^x(x-1)^ndx=16-6e;n\epsilon N,n\leq 5 ...
