Integration of 1/x and f'/f ?????? (1 Viewer)

[countrydude]

Integration of 1/x and f'/f ??????

I have no idea how to do these bloody things so can somebody help me pleasssse

Can somebody like write the steps down..... or give me some HELP!!

I have asked my teacher but i dont really understand her.

thankyou!!!!

 

[kini mini]

Hmmm, I don't know how much you have to know in 2u. Can you just take it as read that d/dx log x is 1/x? So when you have to integrate f'/f, the integral is log f plus a constant.

 

[elizabethy]

Originally posted by countrydude
Integration of 1/x and f'/f ??????

I have no idea how to do these bloody things so can somebody help me pleasssse

Can somebody like write the steps down..... or give me some HELP!!

I have asked my teacher but i dont really understand her.

thankyou!!!!

integral of 1/x is lnx + c ( where c is a constant)
integral of f'/f is lnf + c