Answer
$\dfrac {6}{3+2\cos \theta }$
Work Step by Step
$r=\dfrac {ed}{1+e\cos \theta }=\dfrac {\dfrac {2}{3}\times 3}{1+\dfrac {2}{3}\cos \theta }=\dfrac {6}{3+2\cos \theta }$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.