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differention (1 Viewer)

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hasterz

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hello how do you differentiate these type of fuctions eg f(x) = Log to base 2 (5x-2)
 
withoutaface

withoutaface

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f(x)=ln(5x-2)/ln2
f'(x)= [5/(5x-2)]/ln2
= 5/(5xln2-2ln2)
 
FinalFantasy

FinalFantasy

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d\dx(ln x)=1\x
if u got other bases other than e just change da base like withoutaface did den u use that
 
:: ck ::

:: ck ::

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f(x)=ln(5x-2)/ln2

the ln2 is constant.. so yeah

and for say ln[ f(x) ]

the derivative is f'x / f(x)

just a general rule...
 
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