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Let f(x)=\begin{Bmatrix} 1-\left|x \right| & \left| x\right|\leq 1 \\ 0& \left| x\right|\geq 1 \end{Bmatrix} and g(x)=\left| f(x+1)\right|+\left| f(x-1)\right| Number of points where g(x) is discontinuous ? ...
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2 \left| sin\frac{\pi x}{3!}\right|-3\left| cos\frac{\pi x }{4!}\right|+tan(\frac{e^{7x}}{e^{[7x]}}+tan\frac{7\pi x}{3}) ...
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A charge Q is placed at each of the opposite corners of a square . A charge q is place at each of the other two corners. If net electrical force on Q is zero then Q/q equals : a) -2/ 2 B) -1 C) 1 D ) -1/ 2 *Image* ans........ ...
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cost of two year coaching classes ---- Rs.120000(approx.) cost of correspondance course ---- Rs.15000(approx.) cost of application form of iit ----- Rs.1000 cost of postage to send form ----- Rs. 30 The cost feeling to bang y ...
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lim ( n!/(mn)n )1/n n→∞ ...
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TELL ME THIS THING : HOW THE HELL CAN FIITJEE AND AKASH POST THE JEE SOLUTIONS WITHIN MINUTES AFTER THE FIRST PAPER IS OVER ???? WHAT LIES WITHIN ??? AND WHAT IS THE FACT THAT MAKES ALL THESE INSTITUTES TO BLOSSOM LIKE ANYTHI ...
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Statement 1: The period of *Image* *Image* Statement 2: The period of x - [x] is 1. (a)Statement 1 is false, statement 2 is true (b)Statement 1 is true, statement 2 is true, statement 2 is a correct explanation for statement ...
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1..AN IDEAL GAS IS ALLOWED TO EXPAND both reversibly and ireversibly in an isolated system ,if Ti INITIAL AND TF FINALL TEMP. , WHICH OF THE FOLLOWING STATEMENTS IS CORRECT ..?? A.(Ti)REV. >TF IREV. B..Tf>Ti FOR REVERSI ...
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My VIT center is in Mayapuri, and I think you guys know what has happened there. If not, just google mayapuri and radiation together. Is it safe to go there?? Scientists are saying they cannot gauge the extent to which the da ...
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*Image* Q52. how to differentiate between (1) and (4) .. they have not stated which direction to take positive axis Q43. yeh kya hai? (i mean i know logic gates.. but what are those dotted and solid lines in input? *Image* ...
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There was this one question in ISAT paper-I which had this diagram- *Image* It was asked to describe the bouancy force F on the cylinder as a function of height 'h'. My query- Was 'h' to be taken from top the bottom of the co ...
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If tan x= a/b , find the value of asin x- bcos x/asin x+bcos x . ...
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ther are n wedges which are placed as shown in figure *Image* coefficient of friction is \mu for each surface and masses of wedges are m,m/2,m/4...m/2^(n-1) respectively and after placing on one another they make \theta angle ...
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there was a ques. from gravitation in JEE 2010 m got it some how but wasn't able to integrate it here is the integral i reached *Image* i changed it to x nd y terms........... ...
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please define seebeck and peltier effect. ...
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1) Any ordinate NP of an ellipse meets the auxiliary circle at Q.Then locus of the intersection of the normals at P and Q is ?? 2)AB is a double ordinate of the parabola y2=4ax .Tangents drawn to the parabola at A and B meet ...
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*Image* A sphere of radius r and mass m has a linear velocity v0 directed to the left and no angular velocity as it is placed on a belt moving to the right with a constant velocity v1. If after sliding on the belt the sphere ...
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*Image* A loon the loop apparatus is made of quadrant of radius 4r joined to semi circle of radius r as shown. the track is frictionless and a small particle of mass m slides down starting from the highest point A of the quad ...
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A steel ball of radius R=20cm and maass =2kg is rotating about a horizontal diameter with angular velocity w naught=50 rad/sec. this rotating ball is dropped onto a rough horizontal floor and falls freely through a height of ...
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*Image* Two discs of masses M and M/4 having radii R andR/2 resp. are kept on a smooth horiontal surface. The larger disc has a freely moving axle pivoted through its centre. the smaller disc having light thread wrapped over ...
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the fraction exceeding its Pth power by the greatest number possible where P≥2 is...... ans: ( 1/P ) 1/P-1 ...
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q1 \lim_{x\rightarrow \infty}[\sqrt{x+\sqrt{x+\sqrt{x}}}-\sqrt{x}] q2 \lim_{x\rightarrow 0}\frac{e^{tanx}-e^x}{tanx-x} ...
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*Image* The 2.7 kg cylinder B and 1.8 kg wedge A are released from a bigger triangular wedge C wich is fixed. the angle of inclination of C is 30 degrees frm the horizontal.Assuming that cylinder rolls without sliding on the ...
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if 1000!= 2n.I, where I is an odd integer then the value of n??? ...
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Mean and variance of a random variable X having binomial distribution are 4 and 2 respectively.Find P(X>6) Edit:Sorry for the mistake,edited it now ...
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1) The line Ax+By+C=0 cuts the x-axis at P and y - axis at Q.Find the co-ordinates of the ortho-centre,centroid and circumcentre of the triangle OPQ ? 2)What is the nature of the locus repesented by the equation (x-y+c)2+(x+y ...
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1. internal energy of a gas.. KE of a gas... Difference between these two... 2. Is adiabatic process a quasi-static one? Validate ...
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A metallic surface has a threshold wavelength of 600 nm. It is irradiated by a monochromatic light of wavelength 400 nm. Then, (A)no photoelectrons are emitted (B)photoelectrons with speed varying from 0 to V max are emitted ...
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*Image* ...