More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Mathematics Chapter 18 Basic Concepts & Definitions Online Test MCQs With Answers
Question # 1
Choose an answer
Previous
Skip
Next
Question # 2
Choose an answer
Previous
Skip
Next
Question # 3
d/dx (cosec x)
Choose an answer
-sec x tan x
sin x cos x
-csc x cot x
2sin x cos x
Previous
Skip
Next
Question # 4
Choose an answer
Previous
Skip
Next
Question # 5
Choose an answer
None of these
Previous
Skip
Next
Question # 6
If∱(x) = 2x
3
+ 1 then∱
1
(0) =
Choose an answer
0
1
6
None of these
Previous
Skip
Next
Question # 7
Choose an answer
Previous
Skip
Next
Question # 8
Choose an answer
Previous
Skip
Next
Question # 9
Choose an answer
Previous
Skip
Next
Question # 10
Choose an answer
Previous
Skip
Next
Question # 11
If f(x) = c then∱
1
(x) equals:
Choose an answer
1
0
cx
c
Previous
Skip
Next
Question # 12
If ∱(x) = x
2/3
then∱
1
(x) at x = 8 equals:
Choose an answer
8
1/8
1/3
2/3
Previous
Skip
Next
Question # 13
If y = 1/x
2
then dy/dx equals:
Choose an answer
-2x
x
-3
-2/x
3
-2x
3
Previous
Skip
Next
Question # 14
If y = (7x + 9)
2
, then dy/dx equals:
Choose an answer
98x +126
14x
14x +18
14x+81
Previous
Skip
Next
Question # 15
If y=x
m
then dy/dx equals:
Choose an answer
mx
x/m
mx
m-1
xm
m-1
Previous
Skip
Next
Question # 16
If x
2
+ y
2
= 1, then dy/dx
Choose an answer
y/x
-x/y
1/x
None of these
Previous
Skip
Next
Question # 17
Choose an answer
Previous
Skip
Next
Question # 18
If∱(x) = 1/x-2 then∱
1
(0) equals:
Choose an answer
-1/4
-3/2
-1/2
1/5
Previous
Skip
Next
Question # 19
If c is a constant, then d/dx (c) =
Choose an answer
0
c
cx
1
Previous
Skip
Next
Question # 20
Choose an answer
mx
x/m
mx
m-1
xm
m-1
Previous
Skip
Next
Question # 21
Choose an answer
8
1/8
1/3
2/3
Previous
Skip
Next
Question # 22
Choose an answer
1
0
cx
c
Previous
Skip
Next
Question # 23
Choose an answer
x
2
+ 2
3x + 2
3x
2
+ 5
3x
2
+ 2
Previous
Skip
Next
Question # 24
Choose an answer
Previous
Skip
Next
Question # 25
If y = 3 x + 2cos x, then dy/dx =
Choose an answer
3-2 sin x
3-t sin x
3x
2
- 2sin x
3(1-4 sin x)
Previous
Skip
Next
Question # 26
Choose an answer
2x
x/2
2x
3
x
3
/2
Previous
Skip
Next
Question # 27
The derivative of√x at x =a is:
Choose an answer
1/2a
2 / √a
2√x
1 / 2√x
Previous
Skip
Next
Question # 28
If y = x
n
then dy/dx equals:
Choose an answer
nx
x
n-1
nx
n-1
n
Previous
Skip
Next
Question # 29
Choose an answer
Previous
Skip
Next
Question # 30
Choose an answer
Previous
Skip
Next
Question # 31
if x∈ D∱ and∱
1
(x) exists, then
∱ is said to be
Choose an answer
zero at x
Differentiable at x
Continuous at x
None of these
Previous
Skip
Next
Back
