If ^n C_ 12 = ^n C_ 8 , is then n: - Vidyadip

MCQ

If ${^\text{n}}\text{C}_{\text{12}}={^\text{n}}\text{C}_{\text{8}},$ is then n:

✓
20
B
12
C
6
D
30

✓

Answer

Correct option: A.

20

$\text{n}=12+8=20$

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