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1) Find the no. of solutions of logx3 = 5x-7. 2) If a line intersects the curve - y= x4 +cx3 +12x2 -5x +2 in 4 distinct points, find the possible integral values of c. 3) Let a function f be defined as - f : {1,2,3,4} → {1, ...

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its a basic question from kinematics which has cinfused me a particle completes half a circle of radius 160cm in the time interval 10s. Calculate the following quantites averaged over the whole time interval. the mean veloict ...

How do NO3- and PO3- differ structurally? ...

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*Image* predict the site of reactivity for the above reaction a) 1,2,3,4,5,6,7 b)1,3,5,7 c)2,4,6 d)1,4,7 ans please explain..... ...

even if dV=0 the work done may be non a zero value???(V represents volume ) plzzz explain this point ...

if x = 2 + 2^2/3 + 2^1/3 , then the value of x^3 -6x^2 +6x is ---??? ...

someone solve this one... ∫ xxdx ...

suppose i have a function y = 3/ 2 x logx +3/4 i know the graph of logx but how will i draw the graph of the above function??? wat happens wen a constant is multiplied with the variable wat change takes place in the graph and ...

Number os solutions of the eqn tan x+ sec x= 2cos x , lying in the interval [0,2∩) is a) 0 b)1 c)2 d)3 ...

i knw the concepts wel... bt still evrytym i sit for an exam i rili mess it up... jee 2009 for instance... it rili hurts wen u r nt able perform evn wen u knw d things... how should i go abt attempting d paper so tht m able 2 ...

i was solving this classical sum from irodov a chain is tied to a thread such that the lower portion just touche the upper part of the table. now the thread is burnt prove that the force exerted by the falling part is twice o ...

1. Two particles are simultaneously projected in horizontal direction with speed of 4m/s and 8m/s respectively in opposite directions from a tower of height 10 m. The displacement vectors of two particles a. never be perpendi ...

1) 1 + \frac{(1.3) }{6}+ \frac{(1.3.5)}{6.8} +.............. 2) \frac{2}{1!} + \frac{6}{2!} + \frac{12}{3!} + \frac{20}{4!} + ................. find the sum ...

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You have in all 500000 notes of 1, 10, 100, 1000 dollars in all. Can the total sum be 1000000? (Strictly for IX-X) Others post the solution but only by hiding it Question Courtesy: Bhargav ;) ...

*Image* A meter scale lying horisontally on a floor is struck by a ball as shown in fig. Which of the following quantities is conserved for the ball scale system. A. Linear momentum B. Kinetic energy of transmission C. Angula ...

f(x)=\frac{3a}{x+a}+\frac{4b}{x+b}-\frac{5c}{x+c}-\frac{6d}{x+d} is divisible by x2 the find the value of *Image* ...

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The least value of 9tan2∂ +4cot2∂ is a) 13 b)5 c) 0 d) none of these ans. d ...

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*Image* A straight tunnel is dug into the earth as shown in fig. at a dist. b from its centre. A ball of mass m is dropped from one of its ends. The time it takes to reach the other end is : a. 42 mins. b. 84 mins. c. 84( b/R ...

If A+B+C=Pi , then prove that cos A+cos B+ cos C<3/2, where A, B, C are distinct. solve using graph ...

a resistor is formed in the shape of a hollow, quarter cylinder from a material of resistivity P. The length of cylinder is L, inner and outer radii are r1 and r2 respectively. the resistance of this resistor between the oute ...

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.. ...

(1) \int_{0}^{\pi }{|\sqrt{2}sinx+2cosx|dx}= (2) If \int_{0}^{1}(ax+b)/(x^{2}+3x+2)^{2}dx = 5/2 then find value of a and b ...

solve differential equation. \frac{dy}{dx}=\frac{x+y+1}{x-y} ...

Let A be the set of all 3*3 symmetric matrices all of whose entries are either 0 or 1. Five of these entries are 1 and four of them are 0. The number of matrices in A is (A) 12 (B) 6 (C) 9 (D) 3 Plz explain how to solve this. ...

By transforming to parallel axes through a properly chosen point (h,k), prove that the eqn, 12x2-10xy+2y2+11x-5y+2=0 can be reduced to one containing only terms of the second degree. ...