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1-2-Use-Method-and-Formula-




Question Number 167419 by Bagus1003 last updated on 16/Mar/22
((1/2))!=?  Use Method and Formula!!!!!!!!!
(12)!=?UseMethodandFormula!!!!!!!!!
Commented by mkam last updated on 16/Mar/22
((1/2))! = Γ((3/2)) =(1/2) Γ((1/2)) = ((√π)/2)
(12)!=Γ(32)=12Γ(12)=π2
Answered by alephzero last updated on 16/Mar/22
n! = Γ(n+1)  ⇒ ((1/2))! = Γ((3/2)) = Γ(1+(1/2))  Γ(n)Γ(n+(1/2)) = 2^(1−2n) (√π) Γ(2n)  Γ((3/2)) = Γ(1)Γ(1+(1/2)) = Γ(1+(1/2))  = 2^(1−2) (√π) Γ(2) = ((√π)/2)
n!=Γ(n+1)(12)!=Γ(32)=Γ(1+12)Γ(n)Γ(n+12)=212nπΓ(2n)Γ(32)=Γ(1)Γ(1+12)=Γ(1+12)=212πΓ(2)=π2

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