Derivatives 101

Calculus Level 1

$\large f(x) = \ln(x)$

For $f(x)$ as defined above, evaluate $f'(2)$ .

Notation: $f'(x) = \dfrac d {dx} f(x)$ denotes the first derivative of $f$ with respect to $x$ .

1 solution

James Watson
Jul 30, 2020

$\frac{d}{dx}(\ln(x)) = \frac{1}{x}$

By plugging in $2$ , we get $\boxed{\frac{1}{2}}$

It was easy!

Vinayak Srivastava - 10 months, 2 weeks ago

@James Watson , need not put text in LaTex. It is difficult and not the standards in Brilliang.org.

Chew-Seong Cheong - 10 months, 2 weeks ago