Path: ...!weretis.net!feeder8.news.weretis.net!pasdenom.info!from-devjntp Message-ID: JNTP-Route: news2.nemoweb.net JNTP-DataType: Article Subject: Re: Intregation References: <86A71or-P6OBYR6Lk52cGepvYN8@jntp> <6266a3dd$0$18726$426a74cc@news.free.fr> Newsgroups: fr.sci.maths JNTP-HashClient: niSLIfJ6nL6aC6yZ7DZLZXdfDGM JNTP-ThreadID: 3y6x6Sv6dSIYSpHqNx6RWuLBm_8 JNTP-Uri: http://news2.nemoweb.net/?DataID=lJX05aluT8Qm_DjOLqtLQEw5psM@jntp User-Agent: Nemo/0.999a JNTP-OriginServer: news2.nemoweb.net Date: Mon, 25 Apr 22 16:08:12 +0000 Organization: Nemoweb JNTP-Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36 Injection-Info: news2.nemoweb.net; posting-host="a082d72449e6c2691f4dc2ddc972fd99f35fa04a"; logging-data="2022-04-25T16:08:12Z/6839375"; posting-account="4@news2.nemoweb.net"; mail-complaints-to="newsmaster@news2.nemoweb.net" JNTP-ProtocolVersion: 0.21.1 JNTP-Server: PhpNemoServer/0.94.5 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-JNTP-JsonNewsGateway: 0.96 From: Richard Hachel Bytes: 1586 Lines: 16 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]) Thank you. Not easy. Isn't there a simpler solution? R.H.