Permutation and combination is one of the very interesting topic of maths. It is very important because of the fact it is extensively used in probability. This session covers factorial notation, fundamental principle of counting , permutation, permutation of distinct objects, restricted permutation, permutations with certain things always are together, and certain things do not appear. Problems related to each concept will be done in detail.
Pre - Reading for Permutations & Combinations -l
NCERT (Permutaions and Combinations)
Homework for Permutations & Combinations -l
Higher Algebra by Hall and Knight Problem plus in IIT mathematics by A Das Gupta