Find the best tutors and institutes for Class 12 Tuition

Find Best Class 12 Tuition

Please select a Category.

Please select a Locality.

No matching category found.

No matching Locality found.

Outside India?

Circular permutation

Om Prakash Mishra
24/09/2018 0 0

When things are arranged in a circle then number of permutations ( arrangements ) is calculated in the following way :

Since one of the objects is always fixed in its position so the total number of objects to be arranged gets reduced by 1.

So if total n objects are there then no of permutations will be 

(1) when clockwise and anticlockwise permutations are counted different = (n-1)!

(2) when clockwise and anticlockwise are not counted different = (n-1)!/2

0 Dislike
Follow 3

Please Enter a comment


Other Lessons for You

Iterated Adjoints of a Matrix
Iteratively taking the adjugate of an invertible matrix A k times yields For example,

How to write an Exam:
Attempt: Attempt all the questions whether you know the answer or not. Neat and clean: Answer sheet should be neat and clean. Do not forget to cut the rough work done. Avoid overwriting. Observant: Always...

Nikhil Sethi | 08/06/2019

0 0

Hello Students, This tip is really going to be very helpful:- Before trying to get into 11th class trigonometry you should have very clear understanding of what has been learnt as per class 10th curriculum....

Prakash Kumar | 09/03/2019

0 0

IDENTIFYING THE END BEHAVIOR OF A POWER FUNCTION. Describe the end behavior of the graph of f(x)=รข??x9.
The exponent of the power function is 9 (an odd number). Because the coefficient is –1 (negative), the graph is the reflection about the x-axis of the graph of f(x)=x9f(x)=x9. Figure

Debraj P. | 19/02/2019

0 0

The coefficient is 1 (positive) and the exponent of the power function is 8 (an even number). As xx approaches infinity, the output (value of f(x)f(x) ) increases without bound. We write as x→∞,...

Debraj P. | 19/02/2019

0 0

Looking for Class 12 Tuition ?

Find best Class 12 Tuition in your locality on UrbanPro.

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you

Looking for Class 12 Tuition Classes?

Find best tutors for Class 12 Tuition Classes by posting a requirement.

  • Post a learning requirement
  • Get customized responses
  • Compare and select the best

Looking for Class 12 Tuition Classes?

Find best Class 12 Tuition Classes in your locality on UrbanPro

Post your learning requirement is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on, to fulfill their learning requirements across 1,000+ categories. Using, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more