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If ^n C3+^n C4>^(n+1)C3 , then a. n >6...

If `^n C_3+^n C_4>^(n+1)C_3` , then a. `n >6` b. `n >7` c. `n<6` d. none of these

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CENGAGE ENGLISH-PERMUTATIONS AND COMBINATIONS-All Questions
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