SOLUTION: Simplify (a) nCr+nCr-1 (b) n+1C3-nC3 (c) n+1C4-n-1C4

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Question 1203362: Simplify
(a) nCr+nCr-1
(b) n+1C3-nC3
(c) n+1C4-n-1C4
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
Simplify
(a) nCr+nCr-1
(b) n+1C3-nC3
(c) n+1C4-n-1C4
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(a)   See a solution under this link

https://byjus.com/question-answer/ncr-ncr1-is-equal-to/