Question
Download Solution PDFIf nC15 = nC8 ,then find the value of n.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
- nCr = nCn - r.
- If nCx = nCy, then x + y = n.
- nCr + nCr - 1 = n + 1Cr.
Calculation:
Given: nC15 = nC8
As we know, nCx = nCy, then x + y = n.
So, n = 15 + 8 = 23
Last updated on May 31, 2025
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