Question Detail
Question
Evaluate \( d/dz(1/4 z^2 - 1/z) \).
Correct Answer
Option A is the correct answer.
Detailed Explanation
( d/dz(1/4 z^2) = 1/2 z ) and ( d/dz(-z^{-1}) = 1z^{-2} = 1/z^2 ).
Hint
Apply the power rule to each term individually.