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Subject: Re: Intregation
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Date: Mon, 25 Apr 22 20:03:27 +0000
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From: Richard Hachel <r.hachel@tiscali.fr>
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Le 25/04/2022 à 15:36, rosab a écrit :
> Richard Hachel a écrit :
>> How integrate
>>
>> ∫ sqrt (1+x²)
> 
> In[1]:= Integrate[Sqrt[1 + x^2], x]
> Out[1]= 1/2 (x Sqrt[1 + x^2] + ArcSinh[x])

Arcsinh(x)=ln(x+sqrt(1+x²))

 F(x) = 1/2 (x sqrt[1+ x²] + ln(x+sqrt(1+x²))

 No? 

 R.H.