Solution
= Solution
Here $f(1)=-1$ and $f'(x)=1+1/x$, so $f'(1)=2$. The <Newton root-finding iteration> gives
$$
\boxed{x_1=1-\frac{-1}{2}=\frac32}.
$$
= Solution
Here $f(1)=-1$ and $f'(x)=1+1/x$, so $f'(1)=2$. The <Newton root-finding iteration> gives
$$
\boxed{x_1=1-\frac{-1}{2}=\frac32}.
$$