LOGARÍTMOS Flashcards

1
Q

Nomeie os termos de Log x A = B

A

B = Log de A na base x
A = Logaritmando
X = base

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2
Q

Defina Log x A = B

A

X^B = A

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3
Q

Log b 1 = ?
Log b b = ?
Log b B^n = ?
B^(log b A) = ?

A

Log b 1 = 0 (pois B^0 = 1)

Log b b = 1 (pois B^1 = B)

Log b B^n = n (pois b^n = b^n)

B^(log b A) = A (regra do sobe e desce)

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4
Q

Log XY = ?
Log X/Y = ?
Log X^y = ?
Mudança de base

A

Log XY = Log X + Log Y

Log X/Y = Log X - Log Y

Log X^y = Y * Log X

Mudança de base: Log y X = Log z X / Log z Y

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