Question

if nC6=nC4,find nC8​

Answer 1

from given data n= 6+4 =29=10

nC8 =10C8

=10C2

=10×9/(1×2)

=90/2

=45

Answer 2

Answer:

45

Step-by-step explanation:

given nc6=nc4

since ncr=ncn-r, therefore

6=n-4 therefore n=10

to find:- nc8

putting n=10 we get

10c8= 10!/(10-8)! x 8!

= 45

Hope this helps you....have a great day!!!