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.dsy:it. : Powered by vBulletin version 2.3.1 .dsy:it. > Didattica > Corsi G - M > Matematica del discreto > [Matematica] Domanda su esercizio
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Skilotto83
..Energia positiva...

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Domanda Matematica

Ho un dubbio...spero qlkn possa aiutarmi...
Dati i punti:
p1(0,0.5)
p2(0.5,1)
p3(1,2)

trovare la
-x(y)
-y(x)

di un cerchio(quello in questione) valide nell'intervallo p1...p3!
Ki lo sa??
Grazie
:D

__________________
"Why, Sir, you find no man at all intellectual who is willing to leave London.
No, Sir, when a man is tired of London, he is tired of life; for there is in London all that life can afford."
(DR SAMUEL JOHNSON 1777)

MSN andrea.poretti(at)hotmail.it

01-02-2004 12:20
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fulminato1
aLTeRaZioNeGuiTaRVoiCe

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kosa intedi per la x(y) e la y(x) di un cerkio?

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01-02-2004 12:57
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Skilotto83
..Energia positiva...

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intendo f(x)=y e f(y)=x...
ma forse ci sono riuscito...
teorikamente bisogna prendere l'equazione della circonf e sostituire al posto di x e y i valori dei punti....
Fai il procedimento kn tutti i punti e hai 3 equazioni...
le metti a sistema e ricavi a,b,c...
poi li sostiutisci nuovamente nel'equazione del cerchio e ricavi x e y...solo ke mi viene un equazione di secondo grado inkasinatissima!!!!!!

__________________
"Why, Sir, you find no man at all intellectual who is willing to leave London.
No, Sir, when a man is tired of London, he is tired of life; for there is in London all that life can afford."
(DR SAMUEL JOHNSON 1777)

MSN andrea.poretti(at)hotmail.it

01-02-2004 14:28
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fulminato1
aLTeRaZioNeGuiTaRVoiCe

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più o meno ho kapito. scusa ma in mate sono proprio una kiavika!

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01-02-2004 14:55
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Skilotto83
..Energia positiva...

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Siamo in due...
Infatti il procedimento è pratikamente lo stesso ke c'era u un esercizio del libro del Liceo...
Solo che cambiano due kazzate...e io mi perdo..
ihihiih..

__________________
"Why, Sir, you find no man at all intellectual who is willing to leave London.
No, Sir, when a man is tired of London, he is tired of life; for there is in London all that life can afford."
(DR SAMUEL JOHNSON 1777)

MSN andrea.poretti(at)hotmail.it

01-02-2004 15:52
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