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

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Question # 2

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Question # 3

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Question # 4

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

Question # 5

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

Question # 6

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Question # 7

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Question # 8

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Question # 9

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Question # 10

If y=xmthen dy/dx equals:

Question # 11

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

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d / dx (cot x) =

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Question # 14

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Question # 15

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

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Question # 17

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Question # 18

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Question # 19

If y = xnthen dy/dx equals:

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Question # 21

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

Question # 22

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Question # 23

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

Question # 24

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Question # 25

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

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Question # 27

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Question # 28

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Question # 29

If∱(x) = x-100the value of∱1 (1) is:

Question # 30

if y=x2 then dy/dx equals:

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ECAT Mathematics Chapter 18 Important MCQ's

Sr.# Question Answer
1 If y=xmthen dy/dx equals:
A. mx
B. x/m
C. mxm-1
D. xmm-1
2 d/dx (cos x2) =
A. -2x cos x
B. -2x sin x2
C. -2x tan x
D. -2x sec2 x
3
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A. x2+ 2
B. 3x + 2
C. 3x2+ 5
D. 3x2+ 2
4
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B. xn-1
5
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6 The derivative of 1/xm is:
A. xm+1/ m
B. m(x)m-1
C. (m-1) x-m
D. m/xm+1
7 If∱(x) = c then∱1 (x0 equals:
A. 1
B. 0
C. cx
D. c
8 The derivative of√x at x =a is:
A. 1/2a
B. 2 / √a
C. 2√x
D. 1 / 2√x
9 If 3x + 4y +7 = 0 , then dy / dx =
A.
-1/2
B. -4/3
C. 7/2
D. -3/4
10 d/dx(x3 + 2x +3)=
A. x2 + 2
B. 3x + 2
C. 3x2 + 5
D. 3x2 + 2

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