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Mathematics 17 Online
OpenStudy (anonymous):

explain what logarithms are...

OpenStudy (anonymous):

@rational

OpenStudy (amistre64):

what a log is depends on the context of how they are defined. lets say we have a function whose rule is: L(ab) = L(a) + L(b) what can we determine are the properties of this function?

OpenStudy (amistre64):

L(1b) = L(1) + L(b) L(b) = L(1) + L(b) only if L(1) = 0

OpenStudy (rational):

logarithms are exponents for example : Since \(3^{\color{blue}{2}} = 9\), we say \(\color{blue}{2}\) is the logarithm of \(9\) in base \(3\)

OpenStudy (amistre64):

L(aaaa...a {n times}) = L(a)+L(a)+L(a)+L(a)+...+L(a) {n times} L(a^n) = n L(a)

OpenStudy (amistre64):

L(a b^(-n)) = L(a) + L(b^(-n)) L(a b^(-n)) = L(a) - nL(b)

OpenStudy (amistre64):

logs dont have to be tied to anything in particular; they can be a function defined all by themself. so it depends onthe context in which you are trying to define them.

OpenStudy (anonymous):

okay thx

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