GATE PI
Engineering Mathematics
Complex Variable
Previous Years Questions

Marks 1

The function $$f\left( z \right) = {{{z^2} + 1} \over {{z^2} + 4}}$$ is singular at
The value of the expression $${{ - 5 + 10i} \over {3 + 4i}}$$ is
If a complex number $$z = {{\sqrt 3 } \over 2} + i{1 \over 2}$$ then z4 is
The function $$$w = u + iv = {1 \over 2}\log \left( {{x^2} + {y^2}} \right) + i{\tan ^{ - 1}}\left( {{y \over x}} \right)$$$ is not analytic at the po...
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