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Calculus1 18 Online
OpenStudy (anonymous):

differentiate: f(x)=sech(x)-sech(x)ln(sech(x)) differentiate: f(x)=sech(x)-sech(x)ln(sech(x)) @Calculus1

OpenStudy (anonymous):

by ln u mean log (10) or ln (E) ?

OpenStudy (anonymous):

ln E

OpenStudy (anonymous):

k

OpenStudy (anonymous):

-(tanh(x)(-sech(x))) - tanh(x)sech(x)+tanh(x)sech(x)log(sech(x))

OpenStudy (anonymous):

could you please show the steps?

OpenStudy (anonymous):

http://postimage.org/image/5fx47c9l5/ there it is, have a look

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