Logs and expo (1 Viewer)

[vaugh]

Hey guys I have a test coming up soon on logs and expo and I have been struggling with this topic.. If anyone is kind enough please post a short summary of the topic for me thanks

Also how do I turn e^x into log form??

 

[Study notes]

I guess Ln( e^(e^x) )

 

[rumbleroar]

What areas of logs and exponentials are you struggling with? (Please be specific - don't just say everything! There's many different sub topics in it)

 

[HeroicPandas]

Let y = e^x

Take the log of both sides and we have

ln(y) = ln(e^x)

Using the log law ln(m^n) = nln(m),

ln(y) = xln(e)

Notice that ln(e) = 1 (or using the log law for all real a > 0)

ln(y) = x

If you understand this, then you can try to figure out a quite way of converting y = e^x into ln(y) = x (consider the movements and transformations of 'e' and 'ln')