11758 MCQ Problems
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Transcript of 11758 MCQ Problems
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1. What is the value of the limit ̅ ?a.
1
b. -1
c.
0
d.
Does not exist
2.
Function is continuousa.
Only at z=0
b. Not continuous at z=0
c.
Continuous everywhere in the finite plane
d. Not continuous anywhere
3. Evaluate the limit a. 1
b.
Doesn’t exist
c. 2
d.
0
4. Function isa. Purely real
b.
Purely imaginary
c. Complex having both real and imaginary
parts (Non-zero)
d.
Not a valid function
5. If is an analytic function where then isa. b.
c. d.
6. If is analytic function, then isa. Necessarily analytic
b.
Necessarily harmonic
c. Not harmonic
d.
May or may not be harmonic
7. ∫ is equal to, where C is the left half of the unit circle in the clockwise direction,a. 0
b.
2
c.
d.
18. ∫ is equal to, where C is the line from (0,0) to (4,2)
a. b.
c. d.
9. ∫ is where C is and (i) , (ii) , then value of in both cases (i) and (ii)will be
a.
Different
b. Same
c.
Not sufficient information available
d. Will be same for some values of anddifferent for some other values of
10.
Argument of , where is(a) (b) (c) ⁄ (d) none of these
11. The value of is(a)
0 (b)1 (c) -1 (d) 2
12. The value of for which is real
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(a) (b) , (c) , (d) , 13. Cauchy-Riemann equation is a
(a)necessary condition for analyticity (b) sufficient condition for analyticity
(c) necessary and sufficient condition for analyticity (d) none of these
14. Which of the following is an Entire function
(a) (b) +2 (c) (d) all the above
15. Which of the following is a correct statement?
(a)sinz is analytic in finite z-plane (b)cosz is analytic in finite z-plane
(c) is analytic in finite z-plane (d) all the above
16. A curve is said to be simple
(a)If it intersects itself (b)if it doesn’t intersect itself (c) if it is a straight line (d) none of these
17. Evaluate ∫ (a) (b) (c) (d)
18. Evaluate
∫
(a) (b) (c) (d) 19. For the following function .
A.
18 + B. 18+2
C. 18 -
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D.
None of these
20. Which The following statements are true?
1. If F is continuous at z then f must have derivative at this point.
2. implies the continuity at z = A. Both 1 and 2 are true.
B. Only 1 is true
C. Only 2 is true
A.
Neither of 1 and 2 is true
21. { ̅
A. Doesn’t exist
B. Equals zero
C. Equals one
D. None of these
22. The following function is analytic at
A.
At origin only
B. At Every Integer
C.
Everywhere In the complex plane
D.
Nowhere at the complex plane.
23. The points where the function ̅ is analyticA. At origin only
B.
At Every Integer
C. In all the complex plane
D. Nowhere at the complex plane.
24. The derivative of { ̅
at z=0A.
Doesn’t exist
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B.
Equals zero
C.
Equals one
D.
None of these
24. Find
.
A.
+
B.
+ C.
+
D. None of these
26. Find
A.
+
B.
+ C.
+
D.
None of these
27. If n
, a lies inside the closed curve c is
A.2 B. C.0
D.None of these
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28. a. b. c. d.
29. General value of a. b. c. d. 0
30. Find the limit of a. b. c. d.
31. According to – equation for analytic function which of the following is truea. b. c. d. 32. If is analytic function and is constant then
a. is constant b. is constant c. both a and b d. v is not constant
33. If then isa. b. c. d.
34. The value of ∫ on isa. b. 0 c. d. 2
35. The length of the curve a.
b. c. 2 d. 436. If is analytic then integration of from to is
a. Independent of the path
b.
Dependent of the path
c. May or may not depend upon path
d. None of them
37. The value of ∮ on | | isa. 0 b. c. d. 2
38. ∮ a. b. c. d.
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39. The region is(a) Bounded (b) Closed (c) Not connected (d) open
40. The region () is(a)
Open (b) Not Closed (c) not connected (d) unbounded
41. The function
is not defined at
(a)
0 (b) i (c) –1 (d) 1
43. The image of the function ̅ at 2+7i is(a) 2 (b) 7i (c) 11+23i (d) 18+16i
44.
i z
iz
i z
1lim 3
(a)
-4i (b) -3i (c) 0 (d) does not exist
45.
z
z
z x y paththe Along
0
lim,
(a) i (b) -i (c) 0 (d) does not exist
46. Which of the following is not a entire function?
A) B) C) D)
47. Let be an analytic function. Choose the most appropriate optionA)
First order partial derivatives of exist.B) Cauchy Riemann equation is satisfied by C)
both are continuous function.D)
All of above
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