Question

if NC12=Nc15 find the value of n?

Answer 1

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Answer 2

Answer:

Value of n is 27.

Step-by-step explanation:

Given:   $^nC_{12}=^nC_{15}$

To find: Value of n

We know that,

$If\:^nC_x=^nC_y$

then x = y or n = x + y

here,

12 ≠ 15

So, n = 12 + 15 = 27

Therefore, Value of n is 27.