miinadiina miinadiina
  • 23-09-2020
  • Mathematics
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HELP PLS I NEED THIS >3

HELP PLS I NEED THIS gt3 class=

Respuesta :

Hrishii
Hrishii Hrishii
  • 23-09-2020

Answer:

56

Step-by-step explanation:

Here, n = 8, r = 3

[tex] \huge \orange{ \because \: ^nC_r = \frac{n!}{r!(n - r)!} } \\ \\ \huge \therefore \: ^8C_3 = \frac{8!}{3!(8 - 3)!} \\ \\ \huge \therefore \: ^8C_3 = \frac{8 \times 7 \times 6 \times 5!}{3 \times 2 \times 1 \times 5!} \\ \\ \huge \red{ \boxed{\therefore \:^8C_3 = \purple{56}}}[/tex]

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