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Class 12

MATHS

PERMUTATIONS AND COMBINATIONS

Updated On: 27-8-2020

Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

What is factorial Zero Factorial examples

(a)Compute (i)

fundamental principle of multiplication

fundamental principle of addition

Difference and application of fundamental principals

There are 3 condidates for a Classical; 5 for a Mathematical and 4 for a Natural science scholarship.(i)In how many ways can these scholarship be awarded ? (ii) In how many ways one of these scholarships be awarded?

What is permutation ?

Notation + theorem :- Let r and n be the positive integers such that

Prove that

The no. of all permutation of n distinct things taken all at a time is

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