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Evaluate the integral using integration by parts. 1) integral(4xe^xdx)

Question : Evaluate the integral using integration by parts. 1) integral(4xe^xdx) : 2163444

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Evaluate the integral using integration by parts.

1) ∫(4xexdx)

A) 4ex - 4xex + C

B) 4xex - 4ex + C

C) 4ex - ex + C

D) xex - 4ex + C

2) ∫(5xlnxdx)

A) (5/2)xlnx - (5/4)x + C

B) (5/2)x2lnx - (5/4)x2 + C

C) (x2/2)lnx - (x2/4) + C

D) (5/2)x2lnx - (x2/4) + C

3) ∫(ln4xdx)

A) 4xlnx - x + C

B) xln4x - 4x + C

C) xln4x + x + C

D) xln4x - x + C

4) ∫(x4)ln3xdx

A) (1/5)x5ln3x + (1/25)x5 + C

B) (1/5)x5ln3x - (1/30)x6 + C

C) ln3x - (1/5)x5 + C

D) (1/5)x5ln3x - (1/25)x5 + C

5) ∫((ln5x/x8))dx

A) - (1/7)x-7ln5x - (1/49)x-7 + C

B) - (1/7)x-7ln5x + (1/49)x-7 + C

C) - (1/7)x-7ln5x - (1/42)x-6 + C

D) ln5x + (1/7)x-7 + C

6) ∫(x√(9 - x))dx

A) - (2/3)x(9 - x)3/2 + (4/15)(9 - x)5/2 + C

B) (2/3)x(9 - x)3/2 + (4/15)(9 - x)5/2 + C

C) - (2/3)x(9 - x)3/2 - (2/5)(9 - x)5/2 + C

D) - (2/3)x(9 - x)3/2 - (4/15)(9 - x)5/2 + C

7) ∫((x - 2))e2xdx

A) (x - 2)e2x - e2x + C

B) (1/2)(x - 2)e2x + (1/4) e2x + C

C) 2(x - 2)e2x - 4 e2x + C

D) (1/2)(x - 2)e2x - (1/4)e2x + C

8) ∫((7x + 2)e-5xdx)

A) -35xe-5x - 185e-5x + C

B) - (7/5)xe-5x - e-5x + C

C) - (7/5)xe-5x - (17/25)e-5x + C

D) (7/5)xe-5x + (17/25)e-5x + C

9) ∫((-3xcos9xdx))

A) - (1/27)cos9x - (1/3)xsin9x + C

B) - (1/27)cos9x - (1/3) sin9x + C

C) - (1/3)cos9x - 3xsin9x + C

D) - (1/27)cos9x - (1/3)xsin3x + C

10) ∫((15xsinxdx))

A) 15sinx - 15xcosx + C

B) 15sinx -xcosx + C

C) 15sinx - 15cosx + C

D) 15sinx + 15xcosx + C

11) ∫(xe3xdx)

A) e3x((1/3)x - 1) + C

B) (1/6)x2e3x + C

C) e3x((1/3)x - (1/9)) + C

D) (1/3)e3x + C

12) ∫(xe8x)dx

A) e8x(8x - 1) + C

B) e8x(x - (1/8)) + C

C) e8x((1/8)x - (1/64)) + C

D) xe8x + C

13) ∫(x4lnxdx)

A) x5(5lnx - (1/25)) + C

B) x5((1/5)lnx - 1) + C

C) x5((1/5)lnx - (1/5)) + C

D) x5((1/5)lnx - (1/25)) + C

14) ∫(ln2xdx)

A) x(ln|2x| - 2) + C

B) x(ln|2x| - 1) + C

C) x(ln|2x| + 1) + C

D) x(ln|2x| + 2) + C

15) ∫((x + 1)exdx)

A) (x + 2)ex + C

B) xex + C

C) xex + 1 + C

D) (x + 1)ex + C

16) ∫(x2)e2xdx

A) e2x((x2 - 2x/2)) + C

B) e2x((x2 - 4x/2)) + C

C) e2x((x2 - x/2)) + 1 + C

D) e2x((2x2 - 2x + 1/4)) + C

17) ∫(xe3xdx)

A) (x2e3x/6) + C

B) (e3x/3) + C

C) (xe3x - e3x/3) + C

D) (3xe3x - e3x/9) + C

E) none of these

18) ∫(sin-1x)dx

A) sin-1x - √(1 - x2) + C

B) sin-1x + √(1 - x2) + C

C) x + √(1 - x2) + C

D)xsin-1x + √(1 - x2) + C

19) ∫(xe-xdx)

A) xe-x + e-x + C

B) - xe-x - e-x + C

C) - xe-x + e-x + C

D) xe-x - e-x + C

20) ∫(x2e-xdx)

A) (x2 + 2x +2)e-x + C

B) (x2 + 2x)e-x + C

C) -(2x +2)e-x + C

D) -(x2 + 2x +2)e-x + C

Solution
5 (1 Ratings )

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Calculus 2 Years Ago 328 Views
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