Integral, from 1 to e, of 5/x dx

[incubar]

e
∫5/x dx
1

help me out don't know where to start

 

[arthur ohlsten]

e
S 5dx/x factor out 5
1

e
5S dx/x
1
but integral of dx/x=lnx

5 lnx evaluated at e,1
5[lne-ln1]
5[1-0]
5

e
S 5dx/x = 5 answer
1

Arthur