Namaste, iam Frank Chandler, Have an awesome day!
How Do You Solve 7C2? [Solved]
From the question, we have n=7 and r=2. Hence, the value of the expression ${}^7{C_2}$ is 21. This means that there are 21 combinations for choosing 2 elements from 7 distinct elements.
Short Trick to Calculate “nCr” for Combination Questions by JP Sir
In this video you’ll learn how to calculate nCr quickly.
nCr without a calculator for Core or Stats - A-level maths revision video
This video talks through how to find nCr, or combinations, without a calculator by cancelling the factorial parts of the answer.
7C2
Hi there this is penelope this is a short video on circular definitions of trig functions and the question is why why
