\\{\color{Red} 1.} \;$Notice that they kindly gave us$\; \pi \; $is approximately$\; 3 \;+ \;$(some fraction less than one). That is,$
\pi \approx 3 + \frac{1}{a_{1}}.
\\$To solve for$\; a_{1}\; $we simply subtract 3 from both sides and take the reciprocal.$.
\pi - 3 = \frac{1}{a_{1}}
a_{1}...