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prove-1-




Question Number 173917 by Michaelfaraday last updated on 21/Jul/22
prove:  (−1)!
$${prove}: \\ $$$$\left(−\mathrm{1}\right)! \\ $$
Commented by Frix last updated on 21/Jul/22
I promise to prove (−1)! if you prove (π/7).
$$\mathrm{I}\:\mathrm{promise}\:\mathrm{to}\:\mathrm{prove}\:\left(−\mathrm{1}\right)!\:\mathrm{if}\:\mathrm{you}\:\mathrm{prove}\:\frac{\pi}{\mathrm{7}}. \\ $$
Commented by Michaelfaraday last updated on 01/Aug/22
okay but i do t know it
$${okay}\:{but}\:{i}\:{do} {t}\:{know}\:{it} \\ $$

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