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📖 generic · CBSE Class 11 English medium · MATHEMATICS · Page 167table

® Fundamental principle of counting If an event can occur in m different

Chapter 2: 4 P 2 = 4 C 2 ××××× 2! or ( · MATHEMATICS

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Remarks 1. From above (→As (→® The number of permutations of n different things taken r at a time, where→® The number of permutations of n different things, taken r at a time, where→® The number of combinations of n different things taken r at a time, denoted by→

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