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Definite Integration
Name: ………………............. Date: …………… Time: 40 Minutes. M.Marks:40
Attempt all questions. All questions are single option correct type (+4, -1)
6
1. The value of max(| 2 | x ||,
6
4 | x |, 3)dx is
(A) 40 (B) 50
(C) 60 (D) 30
I3
e (sin x) dx , then
x n
2. If In = is equal to
0
I1
(A) 3/5 (B) 1/5
(C) 1 (D) 2/5
2x
3 tan1
1 x 2 dx and given the following statements
3. Let I
0
1 x2
(i) I can be evaluated by the substituting x = tan only
2 tan1 x
3
(ii) I
0
1 x2
dx
2 tan1 x 2 tan1 x
1 3
(iii) I
0
1 x2
dx
1
1 x2
dx
1 2
(iv) I
36
Then which of the following is / are correct?
(A) (i) and (ii) (B) (i), (ii), (iii)
(C) (ii), (iii), (iv) (D) (iii), (iv)
4. If f() 2 and f(x) f ''(x) sin x dx 5
0
then f(0) is equal to, (it given that f(x) is continuous in
[0, ])
(A) 7 (B) 3 (C) 5 (D) 1
5. Let f(x) is a continuous function for all real values of x and satisfies
x 1
x16 x 6
0 x
f(t)dt t 2 .f(t)dt
8
3
a + a then value of ‘a’ is equal to
1 17 1
(A) (B) (C) (D) None of these
24 168 7
x
et
6. f(x) 1
t
dt, x R . Then complete set of values of x for which f(x) lnx is
(A) (0, 1] (B) [1, )
(C) (0, ) (D) None of these
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x
2t
7. 2 dt , where [.] denotes the greatest integer function, and x R, is equal to
0
t
(A)
1
ln 2
[x] 2{x} 1 (B)
1
ln 2
[x] 2{x}
(C)
1
ln 2
[x] 2{x} (D)
1
ln 2
[x] 2{x} 1
b
8. If f (a + b –x) = f (x) then x f (x) dx is equal to
a
ab
b b
ab
(A)
2
a
f (x) d x (B)
2 a
f (x) d x
(C) 0 (D) none of these
1 1 2 2
3 4 3 4
9. If 1 2x dx, 2 2x dx, 3 2 x dx and 4 2 x dx then
0 0 1 1
(A) 1 2 (B) 2 1
(C) 3 4 (D) 4 3 , 1 2
xm ln x dx
1
n
10. m, n
0
n m
(A) m, n1 (B) m, n1
n 1 n 1
n m
(C) m, n1 (D) m, n1
m 1 n 1
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Ph.: (Andheri : 42378100); (Chembur : 42704000); (Navi Mumbai : 41581500); (Thane : 41617777); (Kandivali : 32683438)
Web: www.fiitjee.com email: academics.mumbai@fiitjee.com