Qus : 3
1
If a < b then ∫ b a ( | x − a | + | x − b | ) d x is equal to
1
( b − a ) 2 2
2
b 2 − a 2 2
3
a 3 − b 3 2
4
( b − a ) 2
Go to Discussion
Solution
Qus : 4
2
Which of the following is TRUE?
A. If f is continuous on [ a , b ] , then ∫ b a x f ( x ) d x = x ∫ b a f ( x ) d x
B. ∫ 3 0 e x 2 d x = ∫ 5 0 e x 2 d x + ∫ 5 3 e x 2 d x
C. If f is continuous on [ a , b ] , then d d x ( ∫ b a f ( x ) d x ) = f ( x )
D. Both (a) and (b)
1
A
2
B
3
C
4
D
Go to Discussion
Solution
Qus : 5
2
If for non-zero x, c f ( x ) + d f ( 1 x ) = | log | x | | + 3 , where c ≠ 0 , then ∫ e 1 f ( x ) d x =
1
( c − d ) ( 2 e − 1 ) c 2 − d 2
2
( c − d ) ( 3 e − 2 ) c 2 − d 2
3
( c − d ) ( 3 e + 2 ) c 2 − d 2
4
( c − d ) ( 2 e + 1 ) c 2 − d 2
Go to Discussion
Solution
Qus : 8
3
The value of d d x ∫ 2 sin x sin x 2 e t 2 d t at x = π
1
2
2
-1
3
-2
4
1
Go to Discussion
Solution
Qus : 9
1
If
and
, then the value of
is
1
0
2
>1
3
0 and 1
4
<0
Go to Discussion
Solution
Qus : 10
3
The value of ∫ π / 4 0 l o g ( 1 + t a n x ) d x is equal to:
1
π 4 l o g 2
2
π 6 l o g 2
3
π 8 l o g 2
4
π 2 l o g 2
Go to Discussion
Solution
Qus : 11
2
If [x] represents the greatest integer not exceeding x, then ∫ 9 0 [ x ] d x is
1
32
2
36
3
40
4
28
Go to Discussion
Solution
Qus : 12
2
Through any point (x, y) of a curve which passes through the origin, lines are drawn parallel to the coordinate axes. The curve, given that it divides the rectangle formed by the two lines and the axes into two areas, one of which is twice the other, represents a family of
1
Circles
2
Parabolas
3
Hyperbolas
4
Straight Lines
Go to Discussion
Solution
Qus : 13
1
The value of
is
1
π3 -6π
2
- π 3 - 6π
3
- π3 + 6π
4
π3 + 6π
Go to Discussion
Solution
Qus : 15
2
The value of ∫ π / 3 − π / 3 x s i n x c o s 2 x d x
1
1 3 ( 4 π + 1 )
2
4 π 3 − 2 l o g t a n 5 π 12
3
4 π 3 + l o g t a n 5 π 12
4
4 π 3 − l o g t a n 5 π 12
Go to Discussion
Solution
Qus : 16
3
The value of ∫ π 2 0 ( 1 + 2 cos x ) ( 2 + cos x ) 2 d x
1
(-1,0)
2
(-2,-1)
3
(0,1)
4
(1,2)
Go to Discussion
Solution
Qus : 17
2
If
where
n is a positive
integer, then the relation between
In and
In-1 is
1
2
3
4
Go to Discussion
Solution
Qus : 18
2
The value of
depends on the
1
Value of b
2
Value of c
3
Value of a
4
Value of a and b
Go to Discussion
Solution
Qus : 19
4
∫ π 0 [ c o t x ] d x where [.] denotes the greatest integer function, is equal to
1
π 2
2
1
3
-1
4
− π 2
Go to Discussion
Solution
Qus : 20
2
The value of ∫ π / 3 − π / 3 x sin x cos 2 x d x is
1
1 3 ( 4 π + 1 )
2
4 π 3 − 2 log tan 5 π 12
3
4 π 3 + log tan 5 π 12
4
4 π 3 − log tan 5 π 12
Go to Discussion
Solution
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