1
GATE ECE 2008
MCQ (Single Correct Answer)
+1
-0.3
The equation sin(z) = 10 has
A
no real (or) complex solution
B
exactly two distinct complex solutions
C
a unique solution
D
an infinite no of complex solutions
2
GATE ECE 2008
MCQ (Single Correct Answer)
+1
-0.3
The residue of the function
$$f(z) = {1 \over {{{\left( {z + 2} \right)}^2}{{\left( {z - 2} \right)}^2}}}$$ at z = 2 is
A
$$ - {1 \over {32}}$$
B
$$ - {1 \over {16}}$$
C
$$ {1 \over {16}}$$
D
$$ {1 \over {32}}$$
3
GATE ECE 2007
MCQ (Single Correct Answer)
+1
-0.3
The value of $$\oint\limits_C {{1 \over {\left( {1 + {z^2}} \right)}}} dz$$ where C is the contour $$\,\left| {z - {i \over 2}} \right| = 1$$ is
A
$$2\pi i$$
B
$$\pi $$
C
$${\tan ^{ - 1}}(z)$$
D
$$\pi i{\tan ^{ - 1}}(z)$$
4
GATE ECE 2006
MCQ (Single Correct Answer)
+1
-0.3
For the function of a complex variable w = lnz (where w = u + jv and z = x + jy) the u = constant lines get mapped in the z-plane as
A
set of radial straight lines
B
set of concentric circles
C
set of confocal hyperbola
D
set of confocal ellipses
GATE ECE Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12