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  <o:LastAuthor>Universit=E0 Luigi Bocconi</o:LastAuthor>
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  <o:LastPrinted>2004-06-17T13:49:00Z</o:LastPrinted>
  <o:Created>2004-06-17T15:22:00Z</o:Created>
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<DIV class=3DSection1>
<P class=3DMsoNormal>1) Deve essere <SPAN class=3DSpellE>ab</SPAN> =3D =
a+b. Indicato=20
con c questo comune valore, i numeri richiesti devono soddisfare =
l=92equazione=20
</P>
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</xml><![endif]--><SPAN style=3D"mso-spacerun: yes">&nbsp;</SPAN></P>
<P class=3DMsoNormal>&nbsp;</P>
<P class=3DMsoNormal>da cui segue </P>
<P class=3DMsoNormal>&nbsp;</P>
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<P class=3DMsoNormal> </P>
<P class=3DMsoNormal>Dando a c (ad esempio) il valore -1, otteniamo =
<SPAN=20
class=3DGramE>per a</SPAN> e b i valori </P>
<P class=3DMsoNormal>&nbsp;</P>
<P class=3DMsoNormal><SUB><!--[if gte vml 1]><v:shape id=3D_x0000_i1030=20
style=3D"WIDTH: 63pt; HEIGHT: 18.75pt" o:ole=3D"" type =3D "#_x0000_t75" =
coordsize =3D=20
"21600,21600"><v:imagedata o:title=3D"" src =3D=20
"Liceo_questionario_file/image005.wmz"></v:imagedata></v:shape><![endif]-=
-><![if !vml]>
    <img width=3D84 height=3D25
src=3D"Liceo_questionario_file/image006.gif" v:shapes=3D"_x0000_i1030">=20
    <![endif]></SUB><!--[if gte mso 9]><xml>
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ShapeID=3D"_x0000_i1030"
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</xml><![endif]-->.</P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal>2) Si pu=F2 sempre pensare che il raggio della =
sfera sia uguale=20
a 1. Allora il raggio della circonferenza di base <SPAN =
class=3DGramE>del</SPAN>=20
cilindro equilatero inscritto =E8 1/<SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">=D6</SPAN></SPAN>2.</P>
<P class=3DMsoNormal><SPAN class=3DGramE>Si ha: superficie laterale del=20
cilindro=3D2<SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">p</SPAN></SPAN>;=20
area della circonferenza di <SPAN class=3DSpellE>base=3D</SPAN><SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">p</SPAN></SPAN>/2;=20
superficie totale del cilindro=3D3<SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">p</SPAN></SPAN>;=20
superficie della sfera=3D4<SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">p</SPAN></SPAN>=20
(ricordando che la superficie della sfera di raggio r =E8 4<SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">p</SPAN></SPAN>r<SUP>2</SUP>=20
).</SPAN> <o:p></o:p></P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal>3)</P>
<P class=3DMsoNormal><SUB><!--[if gte vml 1]><v:shape id=3D_x0000_i1031=20
style=3D"WIDTH: 113.25pt; HEIGHT: 36pt" o:ole=3D"" type =3D =
"#_x0000_t75" coordsize =3D=20
"21600,21600"><v:imagedata o:title=3D"" src =3D=20
"Liceo_questionario_file/image007.wmz"></v:imagedata></v:shape><![endif]-=
-><![if !vml]><img width=3D151 height=3D48
src=3D"Liceo_questionario_file/image008.gif" =
v:shapes=3D"_x0000_i1031"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1031"
  DrawAspect=3D"Content" ObjectID=3D"_1148998138">
 </o:OLEObject>
</xml><![endif]--></P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal>4) L=92equazione data =E8 equivalente a: =
e<SUP>x</SUP>=3D-3x. Dal=20
confronto dei grafici delle due funzioni si deduce che l=92equazione =
ammette=20
un=92unica soluzione reale.</P>
<P class=3DMsoNormal>&nbsp;</P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal><!--[if gte vml 1]><v:shape id=3D_x0000_i1026=20
style=3D"WIDTH: 342pt; HEIGHT: 179.25pt" type =3D "#_x0000_t75" =
coordsize =3D=20
"21600,21600"><v:imagedata o:title=3D"figura3" src =3D=20
"Liceo_questionario_file/image009.jpg"></v:imagedata></v:shape><![endif]-=
-><![if !vml]>
    <img width=3D456 height=3D239
src=3D"Liceo_questionario_file/image010.jpg" v:shapes=3D"_x0000_i1026">
    <![endif]></P>
<P class=3DMsoNormal>&nbsp;</P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal>5) </P>
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style=3D"WIDTH: 111.75pt; HEIGHT: 36pt" o:ole=3D"" type =3D =
"#_x0000_t75" coordsize =3D=20
"21600,21600"><v:imagedata o:title=3D"" src =3D=20
"Liceo_questionario_file/image011.wmz"></v:imagedata></v:shape><![endif]-=
-><![if !vml]>
    <img width=3D149 height=3D48
src=3D"Liceo_questionario_file/image012.gif" v:shapes=3D"_x0000_i1027">
    <![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1027"
  DrawAspect=3D"Content" ObjectID=3D"_1148998139">
 </o:OLEObject>
</xml><![endif]--></P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal>6) Le due funzioni hanno la stessa derivata: 3/x. =
Questo=20
deriva dal fatto che f e g differiscono per una costante: =
f(x)=3D3logx<SPAN=20
class=3DGramE>,</SPAN><SPAN=20
style=3D"mso-tab-count: =
1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
</SPAN>g(x)=3D3log(2)+3log(x)</P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal>7) L=92area del triangolo =E8 data da <SPAN=20
class=3DSpellE>S=3Dabsin</SPAN><SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">d</SPAN></SPAN>/2.=20
Dal calcolo e dallo studio del segno della derivata prima S=92<SPAN=20
class=3DSpellE>=3Dabcos</SPAN><SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">d</SPAN></SPAN>/2,=20
si deduce che l=92area =E8 massima per <SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">d</SPAN></SPAN>=3D<SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">p</SPAN></SPAN>/<SPAN=20
class=3DGramE>2</SPAN></P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal>8) I gradi sessagesimali si ottengono dividendo =
l=92angolo giro=20
in 360 parti uguali. I gradi centesimali si ottengono dividendo =
l=92angolo giro in=20
400 parti uguali. La misura di un angolo in radianti =E8 data dal =
rapporto fra=20
l=92arco sotteso dall=92angolo e il raggio, rispetto <SPAN =
class=3DGramE>a</SPAN> una=20
qualunque circonferenza centrata nel vertice dell=92angolo.</P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal>9) Integriamo per parti. L=92integrale dato =E8 =
uguale a:</P>
<P class=3DMsoNormal>&nbsp;</P>
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style=3D"WIDTH: 270pt; HEIGHT: 24pt" o:ole=3D"" type =3D "#_x0000_t75" =
coordsize =3D=20
"21600,21600"><v:imagedata o:title=3D"" src =3D=20
"Liceo_questionario_file/image013.wmz"></v:imagedata></v:shape><![endif]-=
-><![if !vml]>
    <img width=3D360 height=3D32
src=3D"Liceo_questionario_file/image014.gif" v:shapes=3D"_x0000_i1025">=20
    <![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1025"
  DrawAspect=3D"Content" ObjectID=3D"_1148998140">
 </o:OLEObject>
</xml><![endif]--></P>
<P class=3DMsoNormal>&nbsp;</P>
<P class=3DMsoNormal>Calcolando l=92integrale definito, tra 0 e 1, si =
ottiene il=20
valore (<SPAN=20
style=3D"FONT-FAMILY: Symbol; mso-ascii-font-family: 'Times New Roman'; =
mso-hansi-font-family: 'Times New Roman'; mso-char-type: symbol; =
mso-symbol-font-family: Symbol"><SPAN=20
style=3D"mso-char-type: symbol; mso-symbol-font-family: =
Symbol">p</SPAN></SPAN>/2)-1.</P>
<P class=3DMsoNormal><o:p>&nbsp;</o:p></P>
<P class=3DMsoNormal>10) Ogni applicazione =E8 caratterizzata dalle =
immagini, in B,=20
degli elementi <SPAN class=3DGramE>di A</SPAN>. Le applicazioni, allora, =
sono=20
tante quante le disposizioni con ripetizione di 3 oggetti di classe 4: =
<SPAN=20
style=3D"mso-tab-count: 1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN>3<SUP>4</SUP>=20
=3D81.</P></DIV></BODY></HTML>
