Logarithm Rules Flashcards by Stacie Goh

Q

lg(AB)=

A

lgA + lgB

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Q

lg(A/B)=

A

lgA - lgB

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Q

lne=

A

1

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Q

lg1=

A

0

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Q

log(base b)b=

A

1

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Q

b^log(baseb)^k=

A

k

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Q

lgA^b=

A

blgA

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Q

convert log(base a)N=x to exponential form

A

a^x=N

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Q

change of base log(base c)a to base b

A

log(base b)a / log(base b) c

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Q

log(base a^y)n^x =

A

x/y log(base a) n

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