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ECAT Pre General Science Mathematics Chapter 19 Integration Online Test MCQs With Answers
Question # 1
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cosec x + c
-cosec x + c
-sec x + c
sec x + c
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Question # 2
The differential equations of all conis whose axes coincide with the co-ordinate axis is
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Question # 3
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Y = -x log x -x + c
Y = x log x + x
Y = x log x - x + c
None of these
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Question # 4
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a f(x) + c
f(x) + a
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Question # 5
The area between the x-axis and the curve y = x
2
+ 1 from x = 1 to 2 is:
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15/6
15/4
10/4
10/3
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Question # 6
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In(x
2
- x + 1) + c
In(2x - 1) + c
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Question # 7
f(x)g(x)- ∫g(x) f′(x) dx is equal to
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∫f(x)g′(x)dx
∫f′(x)g(x)dx
∫f′(x)g(x)′dx
∫f(x)g(x)dx
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Question # 8
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y + 1 = Ae
x
y + 1 = Axe
x
xe
x
= C
y + xe
x
= C
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Question # 9
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Question # 10
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Question # 11
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π
π/6
-
π/2
2
π
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Question # 12
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Question # 13
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a sec(ax + b) + c
- a sec(ax + b) + c
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Question # 14
∫x/Sin
2
x dx is equal to:
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x cot x + ln|sinx |
-x cot x - ln|sinx |
x cot x - ln|sinx |
x. tan x- ln|secx |
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Question # 15
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cos 2x + c
- cos 2x + c
tan 2x + c
cot 2x + c
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Question # 16
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Question # 17
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a cos(ax + b) + c
- a cos(ax + b) + c
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Question # 18
The approximate percentage increase in the volume of a cube if the length of its each edge changes from 5 to 5.02 is
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1.2%
1.5%
0.16%
100.16%
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Question # 19
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tan 3x + c
cot 3x + c
- cot 3x + c
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Question # 20
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Question # 21
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Question # 22
The integral of 3x
5
dx is:
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15 x
4
x
6
/2
1/6x
5
x
5
/ln3
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Question # 23
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Question # 24
An integral of 1/x dx is:
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1/x
2
1/-x
2
1/lnx
lnx
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Question # 25
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Question # 26
∫ x cos dx is equal to :
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x cos x + sin x
cos x + x sin x
x cos x + x sin x
x sin x + cos x
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Question # 27
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Question # 28
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none of these
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Question # 29
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Question # 30
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cos 3x + c
- cos 3x + c
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