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Find no. of sol of 2x+3x+4x -5x=0 ...

This surely must be kinda old.. but i got to know just yesterday.. so i thought it wud be nice sharing this piece with you.. Of course this does not cause too much difference to the way you prepare for IIT JEE. But still for ...

*Image* Find the effective resistance across AB ...

what is the meaning of conjugate pi bonds???? plz explain with example! ...

a light rod of length 1m is pivoted at its centre and two masses r attached as shown...find initial ang acc assuming the rod was initially horizontal..... *Image* why there is no torque due to tension??? ...

why is that in a rectangular hyperbola ,we have(ct,c/t) and not the other way round??? ...

For a first order reaction 2A→Products what is [A] as a function of time? Does that coefficient 2 makes a difference? ...

Lakshya: 7:17pm 14-11-08 The question is that there is a right angled triangle ABC right angled at B. The angle bisectors of angle A and C meet at a point P. From P a perpendicular PM is drawn to AC. If the length of PM is 4r ...

If a=(z-i)/(z+i) then show that when z lies above the real axis , a will lie within the unit circle which has the centre at origin.Find the locus of a as z travels on real axis from -∞ to +∞. ...

f(ω) = (ksin ω + 2 cos ω)/(sin ω+ cos ω) increasing for all values of ω, then find the range of k. ...

If in a trianglye ABC, C>3pi/2, then fine the interval in the which the value of (1+tanA)(1+tanB). But how can any angle in a triangle be greater than 3pi/2 ???????? ...

Successive ionisation potentials of an element M are 8.3,25.1,37.9,259.3 and 340.1ev. The formula of its Bromide is _? ...

A simple harmonic oscillator of force constant k oscillates with amplitude in a frictionless medium.Answer the following ques: 1) The position average kinetic enrgy per oscillation is_? 2) The time average potential energ ...

If A=320° then 2sin(A/2) = ? a)√1+sinA -√1-sinA B) √1+sinA +√1-sinA C)-√1+sinA -√1-sinA d)√1+sinA+√1-sinA ...

A uniform tube closed at one contains a mercury pallet 10 cm long. When the tube is raised vertically with the closed end upwards the length of the air column trapped is 20cm. Find the length of the air column trapped when th ...

Hi Everyone, Can you tell me the concept of Cut-off mark which is followed in IIT Entrance Examinations? Thanking You Have a Nice DAY/NIGHT. ...

8.4g of nitrogen gas is sealed with 5g hydrogen gas in a flask and heated where the following equilibrium is established N2+3H2 [equil]2NH3 At equiilbrium reaction is 60% complete.The gaseous mixture at equilibrium is passed ...

Determine pH of a 5% solution obtained by adding 25mL 0.1M HCl to 50mL 0.1M KNO2 solution.Ka=7*10^(-4). ...

1.2g of a salt with their emperical formula KxHy(C2O4)z was dissolved in 50mL of water and its 10mL part reqd 11mL of 0.1M HCl solution to reach equivalene point.IN a separate titration 15mL of stock solution reqd 20mL 0.2475 ...

Hello. Since I am pursuing 12th for now, I have Bio as an optional subject. There's one NCERT question which asks about - how to make orally active proteins - What is the major problem encountered? The second part is ...

Find the area under the graph [y]=sin[x] for x ε [-100,100] ...

Sketch cos2X+cosy=0 ...

hello someone please answer these questions : *Image* ...

in triangle abc,Δ2=a2b2c2/2(a2+b2+c2)then which type triangle is abc right angel, equilateral,isoscelesor scalene ...

can anyone suggest me a good book on vectors for theory i mean i want basics and wide range of examples just like k.c sinha ...

Cu+ has 10 d electrons, then why 2+ state of copper (Cu 2+) is possible ...

Find number of roots::::: [sinx]=[cosx] ...

What is area under Cp/T versus T0 graph????????????????? where Cp =Heat capacity at constant volume T= TEmperature T0 = Absolute temperature ...

anybody know any chemistry theroitical book ...

consider a parabola.... we can usually draw three normals to it from an external point.... ..FIND THE LOCUS OF ALL THOSE POINTS FROM WHICH ONLY TWO NORMALS CAN BE DRAWN .... ...