Please answer question in details and with basic explanation

Dear Student,
Please find below the solution to the asked query:

Use the fact that nCr nCr-1=n-r+1rNow1+ nCr nCr-1=n-r+1r+1=n-r+1+rr1+ nCr nCr-1=n+1rP=1+ nC1 nC11+ nC2 nC31+ nC3 nC4......1+ nCn nCn-1Using 1+ nCr nCr-1=n+1r we getP=n+11n+12n+13.....n+1n=n+1nn!

Hope this information will clear your doubts about this topic.

If you have any doubts just ask here on the ask and answer forum and our experts will try to help you out as soon as possible.

  • 2
What are you looking for?