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∫ tan-1x/1+x [lower limit 0 and upper limit 1]= (pi ln2)/k find k ...
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Which of the following definition is correct? A square matrix A is called nilpotent if there exists a positive integer m such that Am= 0 , where m is the least positive integer such that Am = 0 , then m is called the index of ...
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ABCD ia a square of side length 6 2 units and EF is parallel to the square and is of length 12 2 units . The faces BCF and ADE are equilateral . The volume(in cubic unit) of the solid ABCDEF is equal to a. 384 b. 576 c.288 d. ...
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x+10+6 3 = 1+ 3 -x find x ...
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*Image* three identical parallel conducting plates A,B and C are placed as shown . switches are connected to A and C which can connect them to the earth if closed. +q charge is given to B . please consider the following optio ...
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find the non zero real values of x such that x,[x],{x} are in hp note: a. {x} represents fractional part of x b.[x] represents greatest integer less than x see what's the problem in my solution we have 1/x + 1/{x} = 2 / [x] = ...
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a charged metal sphere with potential V and radius r is enveloped by a thin walled conduction spherical shell of radius R . The potential of the sphere after it has been connected for a short time to shell by a conductor will ...
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a charged sphere A of radius r is placed concentrically inside a conducting spherical shell(B) of radius R (R>r). A charge Q is given to A and then A and B are joined by a metal wire the charge flowing from A to B will be ...
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how can we prove that (1+tan3A)/(1-tan3A) = { (1+tanA)/(1-tanA) }3?? ...
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a thin nonconducting ring of radius R has a linear charge density f=f0cosα , where f0 is a constant , α is the azimuthal angle . find the electric field strength at the centre of the ring . CAN sombody tell me what is the a ...
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If logxy*logxyy*logx2yy =1/6 the express y as a real function of x and indicate the domain of definition . i have tried it and got x+xy+x2y=y6 now what next? ...
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why do protons exist in the nucleus of any atom even if they experience repulsive forces from each other?? ...
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let S be the set of 6 -digit numbers a1 a2 a3 a4 a5 a6 (all digits are distinct) where a1≥ a2≥ a3≥ a4≤ a5≤ a6.then n(S) is equal to NOTE :PLEASE IGNORE THE EQUALITY AND CONSIDER ONLY THE INEQUALITY RELATIONS .(i cou ...
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find the number of the natural numbers less than or equal to 2985984,which are neither perfect squares nor perfect cubes . ...
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find the remainder when 2740 is divided by 12 ...
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find the degree of the following expression: ( 2x2+1 + 2x2-1 )6+ 26[ 2x2+1 + 2x2-1 ]-6 ...
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three rods of identical cross sectional area and made of the same metal form the sides of an isosceles triangle ABC . right angled at B . The points A and B are maintained at temperatures T and 2 T respectively . in the stead ...
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assertion: water can be boiled inside a satellite by convection . reason : convection is the process in which heat is transmitted from a place of higher temperature to a place of lower temperature by means of particles with t ...
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find the pH of 10-8 N HCl solution ...
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EVALUATE Σi≠j 21Ci*21Cj where 0 ≤ i ≤10 , 0 ≤ j ≤ 10. ...
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THERE ARE 10 INTERMEDIARY STATIONS BETWEEN TWO JUNCTIONS WHERE AN EXPRESS TRAIN STOPS.IF 6 PERSONS BOARD THE TRAIN AT SOME INTERMEDIARY STATION OR OTHER DURING THE JOURNEY AND EACH OF THE 6 PASSENGERS HOLD A DIFFERENT VARIETY ...
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A BADMINTON CLUB HAS 10 COUPLES AS MEMBERS .THEY MEET TO ORGANISE A MIXED DOUBLE MATCH .IF EACH WIFE REFUSES TO PARTNER AS WELL AS OPPOSE HER HUSBAND IN THE MATCH THEN IN HOW MANY WAYS CAN THE MATCH BE ARRANGED?? ...
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There are 5 eligible punjabi grooms of which 3 know bengali and 5 eligible bengali grooms of which 2 know punjabi . There are 5 eligible punjabi brides and 5 eligible bengali brides.If an eligible groom is agreeable to marry ...
