Simplify the expression 6C5 a. 6 b. 24 c. 30 d. 720

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Simplify the expression 6C5 a. 6 b. 24 c. 30 d. 720

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A.

Step by step explanation:

Using the definition

n =

cá n! = n (n – 1) (n – 2) ……. × 3 × 2 × 1

6 =

= ← 5 (4) (3) (2) (1) cancel on numerator / denominator, leaving

= 6