1
GATE ME 2008
MCQ (Single Correct Answer)
+1
-0.3
The integral $$\oint {f(z)dz} $$ evaluated around the unit circle on the complex plane for $$f(z) = {{\cos z} \over z}$$ is
A
$$2\pi i$$
B
$$4\pi i$$
C
$$-2\pi i$$
D
0
2
GATE ME 1996
MCQ (Single Correct Answer)
+1
-0.3
$${i^i}$$, where $$i\, = \,\sqrt { - 1} $$ is given by
A
0
B
$${e^{ - {\pi \over 2}}}$$
C
$${\pi \over 2}$$
D
1
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