Login

Class 11

MATHS

PERMUTATIONS AND COMBINATIONS

Updated On: 13-6-2020

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

JEE Advanced Not Required for Students Qualifying Olympiads

JEE Advanced not required for Students qualifying for international Olympiads. Student get direct admission to IITs without clearing the JEE Advanced.

NTA Releases NAT 2021 Admit Card, Download Now

NTA releases NAT 2021 admit card, download now. The NAT 2021 is scheduled to be conducted on October 23 and 24 in online mode.

THE Ranking 2022 for ‘Emerging Economies’ Released, Check Now

The ranking 2022 for ‘Emerging Economies’ Released. Indian Institute of Science (IISc) Bangalore is on the 18th spot in The World University Ranking 2022.

CBSE class 10 & 12 students can request change in exam centre

CBSE class 10 & 12 students can request change in exam centre. Know steps to download the CBSE class 10 and class 12 date sheet 2022.

CISCE 2021 Board Exams Term-I Postponed, details here

CISCE 2021 has released the Semester-I exam Postponed, that were scheduled to be held from Nov-Dec, 2021. Check complete details here.

CUCET 2021 Final Answer Key (OUT), details here

NTA has released the final answer key of CUCET 2021. Candidates who have taken the exam can check the final answer key on the official website of CUCET.