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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