Home
Class 12
MATHS
Let there be n circles no three of which...

Let there be n circles no three of which have collinear centres. If the total number of radical axes is equal to total number of possible radical centres, then possible value of n is

Text Solution

Verified by Experts

` ^n C_2 = ^n C_3 `
`(n(n-1))/2=(n(n-1)(n-2))/(3xx2)`
`n=5`
answer`(3)`
Promotional Banner

Similar Questions

Explore conceptually related problems

ln n(n>=3) circles the centres of no three circles are collinear. If the number of the radical axes of the circles is equal to the number of the radical centres of the circles then n^(2)-4n-5=

The total number of possible isomeric trimethylbenzenes is

The total number of possible isomeric trimethylbenzenes is

The total number of possible isomeric trimethyl benzene is

The total number of orbitals possible for the quantum number n is

The total number of orbitals possible for the quantum number n is

The total number of orbitals possible for the quantum number n is

The total number of silicates possible are.