Mathematics · Permutations and Combinations
यदि nCr + nCr+1 = n+1Cx है, तो x बराबर है:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12r
- 2r + 1✓
- 3r
- 42r + 1
सही उत्तर देखें
r + 1
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