permutation and combination
Published at : 08 Dec 2020
This video will explain how to differentiate permutation (nPr) and combination (nCr). And support it with few past year questions. Anyways, If you would like to have more interaction with me, or ask me more question, or suggest some chapter u want to learn, please add the facebook page at "y=mx+c" or www.facebook.com/maths.video.