polinomios Flashcards

1
Q

soma das raizes

A
  • an-1 / an
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2
Q

produto das raizes

A

(-1)^n a0/an

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3
Q

produto de K em K

A

an-k/an

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4
Q

Briot Ruffini

A

r | a b c d e
———————
|a (ar+b) (br + c) …

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5
Q

raizes racionais

A

raiz(p/q) = D(a0)/D(an)

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6
Q

quando é uma equação recíproca?

A

an=a0
an-1=a1
etc

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7
Q

o que fazer quando é uma equação recíproca?

A

dividir pelo termo do meio e substituir y=(x+1/x)

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8
Q

(x+1/x)^2=

A

x^2+1/x^2

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9
Q

(x+1/x3)^3=

A

x^3+1/x^3

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