exponential and logarithmic functions (1 Viewer)

[bloodysunday]

differentiating ln? just reverse that last one
also:
if you have int.(f'(x)/f(x))dx, then you can simplify to ln[f(x)] +C
eg int(2x/x^2)dx = ln(x^2)+C

 

[danno]

differentiating ln? just reverse that last one
also:
if you have int.(f'(x)/f(x))dx, then you can simplify to ln[f(x)] +C
eg int(2x/x^2)dx = ln(x^2)+C

oh yeah thats right, its reversible

thats a cool rule. i'll remember that one.