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(x3 + 2x +3)=

Question # 2

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

Question # 3

d/dx (cos x sin x) =

Question # 4

d/dx (cosec x)

Question # 5

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

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

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Question # 11

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Question # 12

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Question # 13

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Question # 14

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Question # 15

If∱(x) = x-100the value of∱1 (1) is:

Question # 16

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Question # 17

The derivative of 1/xm is:

Question # 18

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Question # 19

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Question # 20

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

Question # 21

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Question # 22

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Question # 23

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

Question # 24

If x2 + y2 = 1, then dy/dx

Question # 25

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Question # 26

If y = xnthen dy/dx equals:

Question # 27

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Question # 28

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Question # 29

d/dx (cos x2) =

Question # 30

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ECAT Mathematics Chapter 18 Important MCQ's

Sr.# Question Answer
1
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2 If x2 + y2 = 1, then dy/dx
A. y/x
B. -x/y
C. 1/x
D. None of these
3 if x∈ D∱ and∱1(x) exists, then∱ is said to be
A. zero at x
B. Differentiable at x
C. Continuous at x
D. None of these
4 If y = xnthen dy/dx equals:
A. nx
B. xn-1
C. nxn-1
D. n
5 if y=x2 then dy/dx equals:
A. 2x
B. x/2
C. 2x3
D. x3/2
6 If∱(x) = x5 + x3 + x the value of∱1(1) is:
A. 0
B. 8
C. 5
D. 9
7
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A. 2x
B. x/2
C. 2x3
D. x3/2
8
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9 d/dx [tan2 x]
A. 2tan x sec2 x
B. 2tan x sec x
C. 2 cot x tan x
D. 2sec2 x cos2 x
10 If∱(x) = x-100the value of∱1 (1) is:
A. 100
B. -100
C. 0
D. -101

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