# MCQs in Calculus Part I - Answers

Answers key for the Compiled MCQs in Calculus Part 1 of the series as one topic in Engineering Mathematics in the ECE Board Exam.

Below are the answers key for the Multiple Choice Questions in Calculus – MCQs Part 1.

1. B. 2/5

2. D. 1/7

3. C. 8

4. C. 4

5. B. 1/2

6. A. 1

7. C. Infinity

8. A. 24

9. B. e^(2/Ï€)

10. B. e^x (cos x^2 – 2x sin x^2)

11. C. 2x sec (x^2 + 2) tan (x^2 + 2)

12. D. 6x + 3

13. B. 4xlog10e/x^2 + 1

14. B. x/(x^2+2)^(1/2)

15. C. 2(x + 2)

16. C. [-y(1 + ln xy)] / x

17. B. -3x/sqrt(2-3x^2)

18. A. – 1

19. A. -4/(1-16x^3)^(0.5)

20. D. {[3(x+1)^2]/x} – {[(x+1)^3]/x^2}

21. A. (x^2+2x)/(x+1)^2

22. D. -8x sin (x^2 + 2) cos (x^2 + 2)

23. B. (-9/4)y^3

24. B. y^2

25. B. 6x – 10

26. A. 6

27. D. -0.1768

28. B. -4.94

29. A. 1

30. D. -1 1/4

31. D. –2

32. B. 2/5

33. B. 2

34. A. (2, -3)

35. B. x = 2y

36. B. 3x – 4y = 0

37. C. –2 ±  sqrt (2)

38. A. (2, 18) & (-2, -14)

39. A. 22.36 units

40. C. sec x

41. B. 2sqrt (2)

42. C. 25 & 25

43. A. 15.59 sq. cm

44. A. 25 m x 25 m

45. A. 125.50

46. B. 592.59 cu. in.

47. C. 22.24 cm, 44.5 cm

48. A. 1

49. C. 2.44

50. C. 50

### Online Questions and Answers in Calculus Series

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

Calculus MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                        Answer key: PART II
PART 3: MCQs from Number 101 – 150                        Answer key: PART III
PART 4: MCQs from Number 151 – 200                        Answer key: PART IV
PART 5: MCQs from Number 201 – 250                        Answer key: PART V
PART 6: MCQs from Number 251 – 300                        Answer key: PART VI

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