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Factorial Cancellation

Class 11 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf C(n, r−1):C(n, r) = 3:5, which expression for the ratio is useful in deriving a relation between n and r?Class 11Permutations and CombinationsDerivations of formulas and their connectionsHard MathematicsIf (n+4)!/[(n−1)!(n+3)(n+2)] = 1170, what is the value of n?Class 11Permutations and CombinationsFactorial notationHard MathematicsIf (n+5)!/(n+1)! = 11880, what is the value of n?Class 11Permutations and CombinationsFactorial notationMedium MathematicsIf ((n!)²)/((n−1)!(n+1)!) = 11/12, what is the value of n?Class 11Permutations and CombinationsFactorial notationMedium MathematicsIf (n + 5)!/(n + 2)! = 1320, what is n?Class 11Permutations and CombinationsFactorial notationHard MathematicsIf ((3n+1)!)/(3n−1)! = 156, what is the value of n?Class 11Permutations and CombinationsFactorial notationMedium MathematicsWhat is ((3n+1)!/(3n-1)!) equal to?Class 11Permutations and CombinationsFactorial notationMedium MathematicsWhich is the correct expansion of (n + 3)!/(n + 1)!?Class 11Permutations and CombinationsFactorial notationMedium MathematicsWhat is the value of 13!/10! + 12!/9!?Class 11Permutations and CombinationsFactorial notationMedium MathematicsFind the value of (8! − 7!)/6!.Class 11Permutations and CombinationsFactorial notationMedium MathematicsIf (n+1)!/(n−2)! = 504, what is the value of n?Class 11Permutations and CombinationsFactorial notationMedium MathematicsWhat is (n + 2)!/(n − 1)! equal to?Class 11Permutations and CombinationsFactorial notationMedium MathematicsFind the value of 11! / (9! × 2!).Class 11Permutations and CombinationsFactorial notationMedium MathematicsWhat is the value of 14!/12! - 13!/11!?Class 11Permutations and CombinationsFactorial notationMedium MathematicsIf n = 5, what is the value of (n + 3)!/(n + 1)! − (n + 1)!/n!?Class 11Permutations and CombinationsFactorial notationMedium MathematicsWhat is the value of (7!)/(5!) − (6!)/(4!)?Class 11Permutations and CombinationsFactorial notationMedium MathematicsWhat is the value of (5! × 3!) / 4!?Class 11Permutations and CombinationsFactorial notationEasy MathematicsWhat is the value of (7! − 6!)/(6!)?Class 11Permutations and CombinationsFactorial notationMedium MathematicsWhat is the value of (10!)/(8!) + (4!)/(2!)?Class 11Permutations and CombinationsFactorial notationMedium MathematicsWhat is the value of (5!)/(3!) + (5!)/(4!)?Class 11Permutations and CombinationsFactorial notationMedium