João Marcos Flashcards

1
Q

Logab + Logac

A

Logab + Logac = Loga(c×b)

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2
Q

P2 log

A

Logab - Logac = Loga(b/c)

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3
Q

Loga(b*n)

A

Loga(b*n) = n×Loga b

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4
Q

P4 log

A

Loga 1 = 0

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5
Q

Mudança de base de logaritimo

A

Logcɓ = logaɓ/logac

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6
Q

Log nª b =

A

Log nª b = lognɓ/a

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7
Q

Log a ɓ =

A

Log a ɓ = 1/log ɓ a

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8
Q

Log c b × log a c

A

Log c b × log a c = log a ɓ

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9
Q

Condições de existência log

A

A base do logaritimo deverá ser positiva e diferente de 1 e o logaritmando devera ser positivo

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10
Q

Números complexos são aqueles da foma

A

Z = a + bi

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11
Q

Define-se imaginario puro

A

Z é imaginário puro <–> a = 0 e b diferente de 0

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12
Q

Seja z = a + bi define-se seu conjugado como

A

Ż = a - bi

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13
Q

|z×w| =

A

|z×w| = |z| × |w|

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14
Q

Qual a propriedade mais importante do módulo de um complexo ?

A

Z × Ż = |Z|²

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15
Q

|z| + |w|

A

|z+/-w|

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16
Q

|a|=b <–>

A

|a|=b <–> a=+/- b e b>0

17
Q

|a|=|b| <–>

A

|a|=|b| <–> a= +/- b ou a²=b²

18
Q

|a|《 b <–>

A

|a|《 b <–> -b<a<b

19
Q

a》b <–>

A

a》b <–> a>b ou a<-b

20
Q

|a|》|b| <–>

A

|a|》|b| <–> a²>b²

21
Q

Forma trigonométricas de um complexo

A

Z=|z| cisO