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Integration Day - 08

This document provides 20 integration problems along with their answer keys. The problems cover a range of integration techniques including trigonometric, logarithmic, and exponential integrals. The document is from an MCA entrance exam preparation academy in India and aims to help students practice and master integral calculus problems.

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0% found this document useful (0 votes)
14 views2 pages

Integration Day - 08

This document provides 20 integration problems along with their answer keys. The problems cover a range of integration techniques including trigonometric, logarithmic, and exponential integrals. The document is from an MCA entrance exam preparation academy in India and aims to help students practice and master integral calculus problems.

Uploaded by

ACME ACADEMY
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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ACME ACADEMY

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Integration Day -08
2 1+x log x π/3
cos x
1. ∫1 ( x ) ex dx = 11. ∫0 3+4 sin x
dx =
(A) e2 log 2 (B) e log 2 3+2√3
(A) log ( 3 )
1
(B) 4 log (
3+2√3
)
3
1 e2
(C) 2 log 2 (D) log 2 3+2√3
(C) 2 log ( 3 ) (D)
1 3+2√3
log ( 3 )
2 2
1
2. ∫0 tan−1 x dx = 1 (tan−1 x)
3

π 1 π 1 12. ∫0 dx =
1+x2
(A) 4 − 2 log 2 (B) 4 − 4 log 2 π4 π4
π 1 π 1 (A) 64 (B) 256
(C) 4 + 2 log 2 (D) 4 + 4 log 2
π4 π4
(C) (D)
π/2 1024 512
1
3. ∫0 dx = 2
sin x+cos x 1 (sin−1 x)
(A) √2 log (√2 + 1) (B) √2 log (√2 − 1) 13. ∫0 dx =
√1−x2
1 −1 π3
(C) log (√2 + 1) (D) log (√2 + 1) (A) 24 (B) π2
√2 √2
(C) −π2 (D) 0
∞ −x2
4. ∫0 x
e dx = 𝜋 𝑡𝑎𝑛𝑥
(A) 1 (B) −1/2 14. ∫0 dx =
𝑠𝑒𝑐𝑥+𝑐𝑜𝑠𝑥
π
(C) 1/2 (D) 0 (A) π (B) 4
π
π/4 sin x+cos x (C) 2 (D) 2π
5. ∫0 dx =
3+sin 2x
1 1 1 x
(A) log 3 (B) log 2 15. ∫0 (x2 +1)2
dx =
4 2
(C) log 3 (D) 2 log 3 (A) 1/2 (B) 1/3
(C) 1/4 (D) 0
π2 /4 sin√x
6. ∫π2/16 dx =
√x √15
16. ∫√8 x√1 + x 2 dx =
(A) √2 (B) 1/√2
(C) 2/√2 (D) p/2 (A) 15/8 (B) 37/3
37
1 1−x (C) 37/6 (D) 9
7. ∫0 1+x dx =
(A) 2 log 2 − 1 (B) log 2 e (ln x)3
17. ∫1 dx =
x
(C) log 2+1 (D) 2 log 2 + 1 4
(A) e ⁄4 (B) 1⁄4
a x−a 1
8. dx =
∫0 x+a (C) (e4 − 1) (D) e4 − 1
4
(A) a + 2a log 2 (D) a − 2a log 2
𝑒3 𝑑𝑥
(C) 2a log − a (D) 2a log 2 18. ∫1
x√1+𝑙𝑜𝑔 𝑥

1 dx (A) 2 (B) 2√2


9. ∫0 = (C) √2 (D) −2
x+√x
(A) log 2 (B) log 2 + 1
1
(C) 2 log2 (D) 2 log2 − 1 2/π cos(x)
19. ∫1/π x2
dx =
1 1 (A) 2 (B) −1
10. ∫0 dx = 1
ex +e−x (C) 1 (D) 2
π
(A) 1 (B) tan−1 (e) − 4
π π
(C) tan−1 (e) + 4 (D) 4

1 Contact on: 8109977628, 9516001679, 9343066759,


Visit us at: www.acmeacademy.in, Download our mobile App: https://bit.ly/3g5xY7o
ACME ACADEMY
India’s Most Trustable MCA Entrance Academy
π/2 2x
20. ∫0 esin sin 2x dx =
(A) e (B) e + 1
(C) e − 1 (D) 2e + 1

Answer Key
1. A 2. A 3. A 4. C 5. A
6. A 7. A 8. B 9. C 10. B
11. B 12. C 13. A 14. C 15. C
16. B 17. B 18. A 19. B 20. C

2 Contact on: 8109977628, 9516001679, 9343066759,


Visit us at: www.acmeacademy.in, Download our mobile App: https://bit.ly/3g5xY7o

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