luỹ thừa + logarit Flashcards

1
Q

a^n nhân a^m

A

a^(n+m)

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2
Q

a^n chia a^m

A

a^(n-m)

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3
Q

căn bậc n của a mũ m

A

a^(m/n)

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4
Q

a ^ logab

A

b (đổi sang a mũ?)

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5
Q

loga1

A

0 (log gì =0)

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6
Q

logab + logac

A

loga (bc)

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7
Q

logab - logac

A

loga (b/c)

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8
Q

1/logab

A

logba

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9
Q

logab.logbc

A

logac

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