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Question Number 205690 by Lindemann last updated on 27/Mar/24

Commented by lepuissantcedricjunior last updated on 27/Mar/24

$${\mathit{C}}_{41}^2=\frac{41!}{2!39!}=\frac{41\times 40}{2!}=820$$

Commented by MM42 last updated on 27/Mar/24

$$C_{41}^2=\frac{41!}{39!2!}=820✓$$

Commented by MM42 last updated on 27/Mar/24

$$no$$$$itwasmentionedtocorrect$$$$theformula$$

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