Question

Evaluate 7c4 a. 6 b. 1 c. 35 d. 840

Answer 1

Hello,

7C4=7*6*5*4/(4*3*2*1)=35

Answer C

Answer 2

Answer:

$^7C_4 = 35$

Step-by-step explanation:

We are given the following information in the question:

We have to evaluate:

Formula:

$^7C_4\\^n C_x = \displaystyle\frac{n!}{(n-x)!x!}\\\\^7C_4 = \displaystyle\frac{7!}{(7-4)!4!} =\frac{7!}{3!4!} =\frac{7.6.5.4.3.2.1}{3.2.1.4.3.2.1} = 35$

Thus, the is values is 35