Math, asked by vennesahaobam3882, 7 months ago

If C(20,r) = C(20,r-10), then C(18,r) is equal to -

Answers

Answered by jayanthchennoju

1

Answer:18

⇒

15!×3!

18!

⇒

3×2×1

18×17×16

⇒48×17

⇒816

Step-by-step explanation:

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