Below are the answers key for the Multiple Choice Questions in Engineering Mathematics Part 2.

51. b. ln x

52. a. sech^2 (x)

53. b. x^x (1 + ln x)

54. a. y’ = (loga e)/x

55. d. 6x + 3

56. a. 2x sec^2 (x) tan^2 (x)

57. d. -8x sin (x^2 + 2) cos (x^2 + 2)

58. a. [3(x + 1)^2]/x – [(x + 1)^3]/x^2

59. c. -3

60. b. 5

61. d. -2

62. b. –y(1 + ln xy)/x

63. a. 8x – 3

64. a. (x^2 + 2x)/(x + 1)^2

65. b. 1/(x + 1)^2

66. a. -21

67. b. y = (x^3)/3 + (3x^2)/2 + 2x

68. a. y = (3x^5)/5 – (x^3)/3 + 1

69. a. -8

70. a. (2,-3)

71. a. 2/5

72. c. -0.1768

73. a. 2

74. b. 2x – y + 2 = 0

75. a. 12

76. a. 81

77. a. -3

78. a. x = 3, y = 6

79. a. 3,4

80. a. 1.2,4

81. a. x = 3, y = 0

82. a. 8 + 6x

83. a. x^2(80x + 192)

84. a. 1728

85. a. -1.33

86. a. 4.5

87. a. 0.375

88. a. -4x sin (2 + x^2)

89. a. 24x sin (3x^2 – 3) cos (3x^2 – 3)

90. a. 12xtan(3x^2 – 4)sec^2(3x^2 – 4)

91. a. -4/(1 – 16x^2)^0.5

92. c. y’ = y/2x

93. a. 1.5

94. a. (2,-3)

95. a. -3/4

96. a. -1

97. a. ½

98. a. 1,4

99. a. 3,10

100. a. 1,4

### The Series

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

**Engineering Mathematics MCQs**

**MCQs from Number 1 – 50**Answer key:

**PART I**

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

**PART 2**

**MCQs from Number 101 – 150**Answer key:

**PART 3**

**MCQs from Number 151 – 200**Answer key:

**PART 4**

**MCQs from Number 201 – 250**Answer key:

**PART 5**

**MCQs from Number 251 – 300**Answer key:

**PART 6**

**MCQs from Number 301 – 350**Answer key:

**PART 7**

**MCQs from Number 351 – 400**Answer key:

**PART 8**

**MCQs from Number 401 – 450**Answer key:

**PART 9**

**MCQs from Number 451 – 500**Answer key:

**PART 10**

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