Math, asked by vkush2501, 5 months ago

5. #C(+12) = C(n. 8) then n is equal to (a) 20 (6) 12 (0) 6 (d) 30

Answers

Answered by ramansaini1018

1

Answer:

a) 20

Step-by-step explanation:

nc12=nc8

ncn-12=nc8. (ncr=ncn-r)

n-12=8

n=20

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