Below are the answers key for the Multiple Choice Questions in Differential Calculus (Limits and Derivatives) Part 1.

1. B. 2/5

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2. D. 1/7

Review: Solution for Number 2

3. C. 8

Review: Solution for Number 3

4. C. 4

Review: Solution for Number 4

5. B. 1/2

Review: Solution for Number 5

6. A. 1

Review: Solution for Number 6

7. C. Infinity

Review: Solution for Number 7

8. A. 24

Review: Solution for Number 8

9. B. e^{2/π}

Review: Solution for Number 9

10. B. e^{x} (cos x^{2} – 2x sin x^{2})

Review: Solution for Number 10

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

Review: Solution for Number 11

12. D. 6x + 3

Review: Solution for Number 12

13. B. (4x log_{10} e) / (x^{2} + 1)

Review: Solution for Number 13

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

Review: Solution for Number 14

15. C. 2(x + 2)

Review: Solution for Number 15

16. C. –y [(1 + ln xy) / x)]

Review: Solution for Number 16

17. B. (-3x) / √(2 – 3×2)

Review: Solution for Number 17

18. A. –1

Review: Solution for Number 18

19. A. -4 / (1 – 16x^{2})^{0.5}

Review: Solution for Number 19

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

Review: Solution for Number 20

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

Review: Solution for Number 21

22. C. 8x sin (x^{2} + 2) cos (x^{2} + 2)

Review: Solution for Number 22

23. B. (– 9/4) y^{3}

Review: Solution for Number 23

24. B. y^{2}

Review: Solution for Number 24

25. B. 6x – 10

Review: Solution for Number 25

26. A. 6

Review: Solution for Number 26

27. D. -0.1768

Review: Solution for Number 27

28. B. -4.94

Review: Solution for Number 28

29. A. 1

Review: Solution for Number 29

30. D. -1 1/4

Review: Solution for Number 30

31. D. –2

Review: Solution for Number 31

32. B. 2/5

Review: Solution for Number 32

33. B. 2

Review: Solution for Number 33

34. A. (2, -3)

Review: Solution for Number 34

35. B. x = 2y

Review: Solution for Number 35

36. B. 3x – 4y = 0

Review: Solution for Number 36

37. C. -2 ± √2

Review: Solution for Number 37

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

Review: Solution for Number 38

39. A. 22.36 units

Review: Solution for Number 39

40. C. sec x

Review: Solution for Number 40

### Online Question and Answer in Differential Calculus (Limits and Derivatives) Series

Following is the list of multiple choice questions in this brand new series:

**MCQ in Differential Calculus (Limits and Derivatives)**

**MCQ from Number 1 – 50**Answer key:

**PART 1**

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

**PART 2**

### Online Question and Answer in Differential Calculus (Maxima/Minima and Time Rates) Series

Following is the list of multiple choice questions in this brand new series:

**MCQ in Differential Calculus (Maxima/Minima and Time Rates)**

**MCQ from Number 1 – 50**Answer key:

**PART 1**

**MCQ from Number 2 – 100**Answer key:

**PART 2**

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