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results out! who all got thru in various streams?? ...
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1) find all real number a for which the equation x2+(a-2)x+1 = 3|x| has exactly three real solutions in x ( i got a= 1,2,3 is it correct?) 2)if n is an integer greater than 7, prove that (n,7)-[n/7] is divisible by 7 here (n, ...
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1) Find the number of positive integers n for which n≤1991 and 6 is a factor of (n2+3n+2) 2)determine all pairs (m,n) of positive integers for which 2m +3n is a perfects square 3)find the remainder when 1992 is divided by 9 ...
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a double seperation of 0.01mm is illuminated by white light . a coloured interference pattern is formed on the screen 100cm away. if a pin hole is placed on this screen at a distance of 2mm from the central fringe , the wavel ...
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*Image* ...
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why we use Ni as catalyst in sabatier senderens reaction???can we use anyother than these y?? ...
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Find the equation of a circle which passes throught point (1,2) and touches the line y=x+3.The point (3,4) is inside the circle. ...
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How do we find the next term in these series? I mean what is the logic behind every successive term? *Image* *Image* It is not an AP or GP. Please help ...
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How do we find the next term in these series? I mean what is the logic behind every successive term? *Image* *Image* It is not an AP or GP. Please help ...
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Kya aap tenth pass se tej hein? . Are u smarter than a tenth grade? check out.............!!!!!! Solve these easy tenth level questions. for everyone..... 1. If triangles ABC and ABM are similar then LA + LD = ? 2. The sum of ...
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Chlorination of methane involves two kinds of steps: one initiation step and two propagation steps. but while calculating the enthalpy of the whole chlorination of methane , only the enthalpies of two propagation steps are ad ...
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How many functions f : {1, 2, 3, 4, 5} to {1, 2, 3, 4, 5} satisfy f(f(x)) = f(x) for all x= {1, 2, 3, 4, 5} ? ...
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1)find the number of quadratic polynomials ax2+bx +x,which satisfy the following conditions: a) a,b,c are distinct b) a,b,c, belongs to {1,2,3,...,1999) c)x+1 divides ax2+bx +x.. 2)let ABCD BE A QUADRILATERAL in which AB is p ...
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Happy birthday sir ...
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the equation a + (a^2-2a-8)x = x^3 has only one real root? what is the possible range of a? ...
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For the curve y = x^2, shortest distance from variable point (0,c) to the curve is described by 'd' = f(c) where c belongs to R and d belongs to [0,∞) then f(c) (a) one-one, onto (b) many-one, onto (c) many-one, into (d) on ...
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1) (a doubt) If f(x) = x2sin 1/x , x≠0 x, x=0 then find f'(0) if it exists... 2) (not a doubt) Given f(x) = |x| and g(x) = |x3|. Do the derivatives, f(0) and g'(0) exist? Explain!! :P please give detailed solution for the f ...
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Please explain me the concept in this question. Figure shows a small block of mass m kept on the left end of a larger block of mass M and length l. The system can slide on horizontal road. The system is started towards right ...
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*Image* A sphere of mass m is placed on a rough plank of mass 2m which in turn is placed on an rough inclined plane, inclined at an angle theta, with horizontal. Friction coefficient between plank and sphere is u2 and that be ...
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Evaluate: lim {x}/tan{x} x-->0 ...
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can somebody explain me how are these redistributions in the capacitors done for eg *Image* is redistributed as *Image* similar redistribution is done when dielectrics are made in series. what is the concept behind this redis ...
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To write a book 1890 digits were utilised. How many pages does the book have? ...
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How to read this......... *Image* ...
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plz help me out in these doubts..: 1. how can u explain the concept dat when a reaction shifts in the forward reaction, the greater concentration of products are formed.. and vice versa.... why does this happen.... plz tell m ...
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Hey guys i being frm FIITJEE had my phase test today.....will post the paper soon try to solve all the questions everyone and provide the best and easiest solution [3] [4].Sove all the three SUBJECTS i will post till 19th or ...
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*Image* ABCD is a prallelogram. Vertex D meets the side BC when produced to E such that LDEC = 90° and LDCB = 150°. A person starts from E and reaches C with some speed in time t seconds and then from C to B and again from ...
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1) Given vectors A, B and C forms a triangle such that A = B + C. find a,b,c and d such that the area of the triangle is 5 6 where, A=ai + bj + ck B=di + 3j + 4k C=3i + j - 2k well the sum is very easy but i am not getting an ...
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1)Is there any case where a carbocation re-arranges through 1,2 -CH3 migration even when there is an alpha hydrogen present (to carbocation)? 2)How do we name cyclohexene as E/Z configuration? It is symmetric on both sides of ...
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how to calculate distance between neighbouring molecules ...
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$Q:$\Rightarrow $ Which one is more acidic from, $sp$ and $sp_{3}.$ ...