0 votes 0 votes If $\mid 2^z \mid = 1$ for a non-zero complex number $z$ then which one of the following is necessarily true $Re(z)=0$ $\mid z \mid =1$ $Re(z) = 1$ $\text{No such z exists}$ Mathematical Logic complex-number + – jjayantamahata asked Mar 17, 2018 edited Mar 18, 2018 by Sukanya Das jjayantamahata 306 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes (A) |2^(z)|=1 or,|2^(x+iy)|=|2^0| or,x+iy=0 Re(z)=x=0; jjayantamahata answered Mar 17, 2018 jjayantamahata comment Share Follow See 1 comment See all 1 1 comment reply Akhilesh Singla commented Mar 17, 2018 reply Follow Share What does "Re" mean here? 0 votes 0 votes Please log in or register to add a comment.