ECAT Pre Engineering Mathematic MCQ Test With Answer for Chapter 18 (Basic Concepts & Definition)

MCQ's Test For ECAT (Pre-Eng) Mathematics Chapter 18 Basic Concepts & Definitions

Try The MCQ's Test For ECAT (Pre-Eng) Mathematics Chapter 18 Basic Concepts & Definitions

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ECAT (Pre-Eng) Mathematics Chapter 18 Basic Concepts & Definitions

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Question # 1

If 3x + 4y +7 = 0 , then dy / dx =

Question # 2

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Question # 3

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Question # 4

If y = 3 x + 2cos x, then dy/dx =

Question # 5

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Question # 6

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

Question # 7

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Question # 8

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

Question # 9

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Question # 10

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Question # 11

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Question # 12

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Question # 13

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Question # 14

If∱(x) = 1/x-2 then∱1(0) equals:

Question # 15

If∱(x) = x-100the value of∱1 (1) is:

Question # 16

If x = at2 and y = 2at then dy/dx =

Question # 17

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Question # 18

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

Question # 19

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Question # 20

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Question # 21

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Question # 22

If f(x) = c then∱1(x) equals:

Question # 23

d/dx (cosec x)

Question # 24

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Question # 25

If x =1 -t2 and y =3t2 - 2t3 then dy/dx =

Question # 26

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Question # 27

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

Question # 28

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Question # 29

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Question # 30

The derivative of√x at x =a is:

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ECAT Mathematics Chapter 18 Important MCQ's

Sr.# Question Answer
1 If∱(x) = 2x3 + 1 then∱1(0) =
A. 0
B. 1
C. 6
D. None of these
2
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3 If y = xnthen dy/dx equals:
A. nx
B. xn-1
C. nxn-1
D. n
4 d/dx (cos x2) =
A. -2x cos x
B. -2x sin x2
C. -2x tan x
D. -2x sec2 x
5 If∱(x) = 1/x-2 then∱1(0) equals:
A. -1/4
B. -3/2
C. -1/2
D. 1/5
6 d / dx (cot x) =
A. Sec x tan x
B. -csc2 x
C. Sec2 x
D. 1/cot2 x
7
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8
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A. 0
B. 8
C. 5
D. 9
9
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A. zero at x
B. differentiable at x
C. continuous at x
D. none of these
10 If∱(x) = x5 + x3 + x the value of∱1(1) is:
A. 0
B. 8
C. 5
D. 9

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