Recently Active Questions

Q1. The electric field is given by the expression E=c/x3 where c is a constant. Find the potential at a point P as a function of x. i.e. find V(x) Q2. If there is a cavity in a conductor and no charge is placed in the cavity, ...

No. of solutions of eqn.--- | Sin π(pi)x/2 + Cos πx/2|= |(ln |x|)^3|+1 A. 4 B. 6 C. 8 D. none of these ...

the solution set of the equation tan(Î tanx)=cot(Î cotx) ...

what is diFFerence between BE (hons) offered at bits and btech offered at iit s ?? ...

*Image* in this question y d 1V batteries r ruled out and also while calculating the current only one of 2V or 3V is considered? plz xplain,d diagonal resistance is 2 ohm ...

somebody please tell what can be oxidised by the following oxidising agents and to what extent a. OsO4 b. NaBH4 c. dil KMnO4 d. Conc. KMnO4/OH- e. CrO3/H+ please tell what are the conditions in presence of which these oxidisi ...

Let x,y>0 be real numbers and let s be the smallest of the numbers x,y+(1/x),1/y Find the greatest possible value of s . For which x,y is this value assumed? Again for beginners .. but experienced ones can answer if they w ...

a strip of metal of resistance R, length l and width d, is kept in a uniform magnetic field B. it is connected to an external source of potential and a current i flows through it. find the potential difference between A and B ...

solve the equation 1 - x + x(x-1)/1.2 - x(x-1)(x-2)/1.2.3 + ...... +(-1)nx(x-1)(x-2)....(x-n+1)/n! = 0 putting x=n in the equation, it becomes nC0-nC1+nC2.........+ (-1)n nCn = 0 so x=n is a solution. how can we say that no o ...

f(x)=(x2-1) mod(x2-3x+2) + cos(mod(x)) is not differentiable at a.1 b.2 c.0 d.n.o.t ...

hey people i am very weak in permutations and combinations. so pls post some gud pbm for improving my pbm solving skills in this chapter.pls give a gud explanation for ur pbm.Think that u r my teacher. ...

why raoult's law not applicable if two volatile liquids are not completely miscible? ...

Q1.What are dielectrics??? Q2.What is meant by 'continuous charge distribution'?? ...

Q.Two small spheres each of mass 'm' kg are suspended and charge q coulomb are suspended from a point by insulating threads each of L metre length,but of negligible mass.If @ is the angle which each string makes with the vert ...

if xp yq = ( x+y )p+q then find dy/dx ...

what are line defects or dislocations? ...

*Image* find the potential difference accross AB a.1V b.2V c.1.5V d.cant be determined ...

Saw this recently " A root of an equation f(x)=0 is said to have a multiplicity k if its k times repeated root " eg. (x-1)2=0 has x=1 as a root of multiplicity 2 (x-1)2(x-2)3=0 has x=1 as a root of multiplicity2 and x=2 as a ...

A biologist watches a chameleon. The chameleon catches flies and rests after each catch. The biologist notices that: (i) The first fly is caught after a resting period of 1 minute. (ii) The resting period before the 2mth fly ...

if xp yq = ( x+y )p+q then find dy/dx ...

if xp yq = ( x+y )p+q then find dy/dx ...

wat is simpsons rule...? ...

let 'f' be a twice differntiaible function such that f''(x)= - f(x) and f'(x)= g(x) for all x ε R. If h'(x)=[ f(x)]2 +[ g(x) ]2 , h(1)= 8; h(0) =2 then h(8) = a. 16 b. 32 c. 40 d. 50 ...

Find ALL Polynomials satisfying [P(x)]2=1+xP(x+1) For beginners ; ...

If a fn. satisfies f(x+1)+f(x-1)= 2 f(x) then find the period of f(x). ...

let g(x) be a continous function for all x ,and f(x) = f(a) +(x-a)g(x) for all x ε R , then a. f(x) is necessarily differentiable at x =a b. f(x) is not necessarily differentiable at x=a c. f(x) is not necessarily continous ...

f(x)= Sin-1(Cos-1[x]) ...

f(x)= (2x4 - 14x2 - 8x +49)/(x4-7x2-4x+23) ...

can someone plz tell me how to do these types: 1. is the function f:R→R 3x(x-3) invertible?? if not change its domain so that it becomes so. 2.let g(x)=x2-4x-5 a) g is one-one on R b)g is one-one on (-∞,2] c)g is not one- ...

Could someone please tell me what all documents are required at the time of counselling for AIEEE. Thanks in advance. ...