Answer
$\dfrac{1}{2}$
Work Step by Step
The lower limit of $k$ is $2$ and the upper limit is also $2$.
Thus, evaluate the given products $k=2$ to obtain:
$=1 - \dfrac{1}{2}
\\=\dfrac{2}{2} - \dfrac{1}{2}
\\=\dfrac{1}{2}$
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.