ECAT Pre Engineering MCQ Test With Answer for Chapter 18 Mathematics

MCQ's Test For ECAT Mathematics Chapter 18 Basic Concepts & Definitions

Try The MCQ's Test For ECAT Mathematics Chapter 18 Basic Concepts & Definitions

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ECAT Mathematics Chapter 18 Basic Concepts & Definitions

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Question # 1

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Question # 2

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Question # 3

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Question # 4

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Question # 5

If y = 1/x2 then dy/dx equals:

Question # 6

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Question # 7

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Question # 8

If∱(x) = 1/x-2 then∱1(0) equals:

Question # 9

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Question # 10

If ∱(x) = x2/3then∱1(x) at x = 8 equals:

Question # 11

Differentiation of sin x w.r.t. cot x is:

Question # 12

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Question # 13

If y = xnthen dy/dx equals:

Question # 14

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Question # 15

d/dx(x3 + 2x +3)=

Question # 16

If y = (7x + 9)2, then dy/dx equals:

Question # 17

If f(x) = c then∱1(x) equals:

Question # 18

If c is a constant, then d/dx (c) =

Question # 19

d / dx (cot x) =

Question # 20

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Question # 21

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Question # 22

The derivative of 1/xm is:

Question # 23

d/dx [tan2 x]

Question # 24

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Question # 25

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Question # 26

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Question # 27

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Question # 28

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Question # 29

If∱(x) = x5 + x3 + x the value of∱1(1) is:

Question # 30

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ECAT Mathematics Chapter 18 Important MCQ's

Sr.# Question Answer
1 d/dx(x3 + 2x +3)=
A. x2 + 2
B. 3x + 2
C. 3x2 + 5
D. 3x2 + 2
2 The derivative of 1/xm is:
A. xm+1/ m
B. m(x)m-1
C. (m-1) x-m
D. m/xm+1
3
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4 d/dx (cos x sin x) =
A. cos2 x - sin2 x
B. 2cos2 x + sin2 x
C. 2cos2 x - sin2 x
D. 1 - sin2 x
5
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6
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A. 2x
B. x/2
C. 2x3
D. x3/2
7 If x2 + y2 = 1, then dy/dx
A. y/x
B. -x/y
C. 1/x
D. None of these
8 If c is a constant, then d/dx (c) =
A. 0
B. c
C. cx
D. 1
9 If x =1 -t2 and y =3t2 - 2t3 then dy/dx =
A. (1-t)
B. 3(1+t)
C. 3(t-1)
D. 3/1-t
10 If∱(x) = 1/x-2 then∱1(0) equals:
A. -1/4
B. -3/2
C. -1/2
D. 1/5

Test Questions

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