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<DIV>
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A
title=fradaff@email.it href="mailto:fradaff@email.it">Franco</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=cabrinews@liste.keynes.scuole.bo.it
href="mailto:cabrinews@liste.keynes.scuole.bo.it">'Lista di discussione sul
software matematico'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, June 28, 2009 8:16 AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Cabrinews] Dubbio atroce</DIV>
<DIV><BR></DIV>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Egregi colleghi,
risolvetemi un dubbio atroce riguardante il 1° problema del tema di matematica
del corso di ordinamento: <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Vi prego, ditemi, dov’è
l’errore?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Grazie
<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Franco<o:p></o:p></SPAN></FONT></P></DIV>
<DIV> </DIV>
<DIV>
<DIV class=Section1>---------</DIV>
<DIV class=Section1>Buona la prima!</DIV>
<DIV class=Section1> </DIV></DIV>
<DIV>Nella seconda integrazione lavori sull'angolo.</DIV>
<DIV>Non va bene.</DIV>
<DIV>La variabile di integrazione, quando usi il "metodo delle fette"</DIV>
<DIV>deve essere l'elemento dx (scusa se mi esprimo in soldoni)</DIV>
<DIV>che ha direzione perpendicolare alla sezione.</DIV>
<DIV> </DIV>
<DIV>Quindi la seconda integrazione non va bene.</DIV>
<DIV> </DIV>
<DIV>Luigi Tomasi</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV> </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=fradaff@email.it href="mailto:fradaff@email.it">Franco</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=cabrinews@liste.keynes.scuole.bo.it
href="mailto:cabrinews@liste.keynes.scuole.bo.it">'Lista di discussione sul
software matematico'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, June 28, 2009 8:16 AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Cabrinews] Dubbio atroce</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Egregi colleghi,
risolvetemi un dubbio atroce riguardante il 1° problema del tema di matematica
del corso di ordinamento: <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Nel calcolare
il volume del quarto punto, e precisamente la parte di base l’arco di cerchio,
si può procedere considerando il lato di base della sezione quadrata come
l’ordinata del punto variabile dell’arco di circonferenza dato da <!--[if gte vml 1]><v:shapetype
id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t"
path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f">
<v:stroke joinstyle="miter" />
<v:formulas>
<v:f eqn="if lineDrawn pixelLineWidth 0" />
<v:f eqn="sum @0 1 0" />
<v:f eqn="sum 0 0 @1" />
<v:f eqn="prod @2 1 2" />
<v:f eqn="prod @3 21600 pixelWidth" />
<v:f eqn="prod @3 21600 pixelHeight" />
<v:f eqn="sum @0 0 1" />
<v:f eqn="prod @6 1 2" />
<v:f eqn="prod @7 21600 pixelWidth" />
<v:f eqn="sum @8 21600 0" />
<v:f eqn="prod @7 21600 pixelHeight" />
<v:f eqn="sum @10 21600 0" />
</v:formulas>
<v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect" />
<o:lock v:ext="edit" aspectratio="t" />
</v:shapetype><v:shape id="_x0000_i1026" type="#_x0000_t75" style='width:42pt;
height:19.8pt' o:ole="">
<v:imagedata src="cid:image001.wmz@01C9F7C7.3D115B30" o:title="" />
</v:shape><![endif]--><![if !vml]><IMG height=26
src="cid:50C92CE4597444D1A1327F96C1A4949B@NOTEBOOKLUIGI" width=56
v:shapes="_x0000_i1026"><![endif]><!--[if gte mso 9]><xml>
<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1026"
DrawAspect="Content" ObjectID="_1307682199">
</o:OLEObject>
</xml><![endif]--> e di conseguenza il volume è dato da:<!--[if gte vml 1]><v:shape
id="_x0000_i1027" type="#_x0000_t75" style='width:52.2pt;height:37.8pt' o:ole="">
<v:imagedata src="cid:image008.wmz@01C9F7C7.3D115B30" o:title="" />
</v:shape><![endif]--><![if !vml]> <IMG height=50
src="cid:D1DAEC5AC3F349BDB4DB6F1BEA600358@NOTEBOOKLUIGI" width=70
v:shapes="_x0000_i1027"><![endif]><!--[if gte mso 9]><xml>
<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1027"
DrawAspect="Content" ObjectID="_1307682200">
</o:OLEObject>
</xml><![endif]-->che vale <!--[if gte vml 1]><v:shape id="_x0000_i1030"
type="#_x0000_t75" style='width:10.8pt;height:31.2pt' o:ole="">
<v:imagedata src="cid:image010.wmz@01C9F7C7.3D115B30" o:title="" />
</v:shape><![endif]--><![if !vml]><IMG height=42
src="cid:165C39FCCD0C421B87C9C8BCFC385FF0@NOTEBOOKLUIGI" width=14
v:shapes="_x0000_i1030"><![endif]><!--[if gte mso 9]><xml>
<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1030"
DrawAspect="Content" ObjectID="_1307682201">
</o:OLEObject>
</xml><![endif]-->; ma detto lato è anche dato da </SPAN></FONT>2sinx <FONT
face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">con 2 con x variabile
tra 0 e pi/3, cioè di volume dato da:<!--[if gte vml 1]><v:shape
id="_x0000_i1035" type="#_x0000_t75" style='width:58.2pt;height:46.8pt' o:ole="">
<v:imagedata src="cid:image002.wmz@01C9F7C8.C6A769B0" o:title="" />
</v:shape><![endif]--><![if !vml]> <IMG height=62
src="cid:2DF87B6F016348DAAC353E91D6348FBC@NOTEBOOKLUIGI" width=78
v:shapes="_x0000_i1035"><![endif]><!--[if gte mso 9]><xml>
<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1035"
DrawAspect="Content" ObjectID="_1307682202">
</o:OLEObject>
</xml><![endif]--> che vale<!--[if gte vml 1]><v:shape id="_x0000_i1036"
type="#_x0000_t75" style='width:51pt;height:34.2pt' o:ole="">
<v:imagedata src="cid:image004.wmz@01C9F7C8.C6A769B0" o:title="" />
</v:shape><![endif]--><![if !vml]> <IMG height=46
src="cid:8216CF1E8D464B0B8058F338FE078298@NOTEBOOKLUIGI" width=68
v:shapes="_x0000_i1036"><![endif]><!--[if gte mso 9]><xml>
<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1036"
DrawAspect="Content" ObjectID="_1307682203">
</o:OLEObject>
</xml><![endif]-->.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Vi prego, ditemi,
dov’è l’errore?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Grazie
<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Franco<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV></DIV><BR><BR><BR>
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<P></P>_______________________________________________<BR>Cabrinews mailing
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