Below are the answers key for the Multiple Choice Questions in Advanced Engineering Math – MCQ Part 1.

1. A. 0

2. A. 3i

3. C. 2i – 1

4. B. 5

5. C. 5 ∠ 53.1°

6. B. –√70

7. D. –(3 – i)

8. C. 30.8 ∠ 45°

9. B. 8i

10. A. 12.5 + j21.65

Review: Solution for Number 10

11. B. -4(1 + i)

Review: Solution for Number 11

12. A. 1.9 + j1.1

Review: Solution for Number 12

13. C. -8 + 4i

Review: Solution for Number 13

14. B. (-18 – i) / 25

Review: Solution for Number 14

15. A. 1 + 2i

Review: Solution for Number 15

16. C. (-7 + 17i) / 13

Review: Solution for Number 16

17. B. 1.12 + j0.66

Review: Solution for Number 17

18. C. Square root of 3 + i

Review: Solution for Number 18

19. A. 6.47 ∠ 3°

Review: Solution for Number 19

20. B. -10 + j10

Review: Solution for Number 20

21. A. 0.707

Review: Solution for Number 21

22. C. j1.732

Review: Solution for Number 22

23. D. 1.28 + j0.98

Review: Solution for Number 23

24. C. 4

Review: Solution for Number 24

25. B. eix = cos x + i sin x

Review: Solution for Number 25

26. B. 5 ej40πt + 5 e-j40πt

Review: Solution for Number 26

27. C. 5

Review: Solution for Number 27

28. B. –101

Review: Solution for Number 28

29. C. 326

Review: Solution for Number 29

30. B. –28

Review: Solution for Number 30

31. C. 3

Review: Solution for Number 31

32. C. (1, 2, -1)

Review: Solution for Number 32

33. A

Review: Solution for Number 33

34. D

Review: Solution for Number 34

35. A

Review: Solution for Number 35

36. C. 0

Review: Solution for Number 36

37. A. -4, 6

Review: Solution for Number 37

38. D. 0

Review: Solution for Number 38

39. D

Review: Solution for Number 39

40. D

Review: Solution for Number 40

41. A

Review: Solution for Number 41

42. B

Review: Solution for Number 42

43. A

Review: Solution for Number 43

44. B. sin kt

Review: Solution for Number 44

45. A. s / (s^{2} + w^{2})

Review: Solution for Number 45

46. A. 2e^{-t} – 4e^{-3t}

Review: Solution for Number 46

47. A. I(s) = 2e^{-25t} sin 100t

Review: Solution for Number 47

48. D. cos wt

Review: Solution for Number 48

49. B. 2 cos 3x – 6 sin 3x

Review: Solution for Number 49

50. A. ¼ e^{t} sinh t

Review: Solution for Number 50

### Online Questions and Answers in Advanced Engineering Math Series

Following is the list of practice exam test questions in this brand new series:

**Advanced Engineering Math MCQs**

**MCQ from Number 1 – 50**Answer key:

**PART 1**

**MCQ from Number 51 – 100**Answer key:

**PART II**

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