Value of -1/i-39 is: A1B-1CiD-iAnswer: C. i Read Explanation: −1i−39\frac{-1}{i^{-39}}i−39−1a−n=1/aa^{-n}=1/aa−n=1/ai−39=1i39i^{-39}=\frac{1}{i^{39}}i−39=i391−1i−39\frac{-1}{i^{-39}}i−39−1=−1×i39= -1\times{i^{39}}=−1×i39=−1×−i=-1\times{-i}=−1×−i=i=i=i∵i39=−i\because{i^{39}=-i}∵i39=−i Read more in App