ECAT Pre General Science MCQ Test With Answer for Mathematics Chapter 18

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

d/dx (cos x sin x) =

Question # 2

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Question # 3

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Question # 4

d / dx (cot x) =

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Question # 6

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Question # 7

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Question # 8

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

Question # 9

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Question # 10

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

Question # 11

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Question # 12

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

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Question # 15

If x2 + y2 = 1, then dy/dx

Question # 16

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

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Question # 18

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Question # 19

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

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Question # 21

if y=x2 then dy/dx equals:

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Question # 23

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Question # 24

If y=xmthen dy/dx equals:

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Question # 26

If y = xnthen dy/dx equals:

Question # 27

d/dx [tan2 x]

Question # 28

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Question # 29

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Question # 30

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ECAT Class Mathematics Chapter 18 Important MCQ's

Sr.# Question Answer
1 Differentiation of sin x w.r.t. cot x is:
A. -sin2 x sec x
B. -cos x sin2 x
C. -cos2 x tan x
D. -sin2 x
2
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A. -2x
B. x-3
D. -2x3
3
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4
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5
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A. 8
B. 1/8
C. 1/3
D. 2/3
6 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
7 If∱(x) = x-100the value of∱1 (1) is:
A. 100
B. -100
C. 0
D. -101
8
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A. x2+ 2
B. 3x + 2
C. 3x2+ 5
D. 3x2+ 2
9
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10
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