Calculus homework
1. Find the area of the region enclosed by the curve y = x cos x and the x-axis for π ≤ x ≤
π.
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7π |
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8π |
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7 |
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9π |
4 points
QUESTION 2
1. Evaluate the integral.
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- |
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- |
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- |
4 points
QUESTION 3
1. Evaluate the integral by using a substitution prior to integration by parts.
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x |
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x |
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x |
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x |
4 points
QUESTION 4
1. Evaluate the integral.
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2.68 |
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0.68 |
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6.68 |
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4.6 |
4 points
QUESTION 5
1. Evaluate the integral.
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Diverges |
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1 |
4 points
QUESTION 6
1. Evaluate the integral by using a substitution prior to integration by parts.
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ln (5x + 5x2) - 2x + C |
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xln (5x + 5x2) + C |
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xln (5x + 5x2) + ln (x +1) - 2x + C |
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ln (5x + 5x2) + ln (x +1) + C |
4 points
QUESTION 7
1. Evaluate the integral.
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4 points
QUESTION 8
1. Evaluate the integral.
(Give your answer in exact form.)
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4 points
QUESTION 9
1. Evaluate the integral.
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4 points
QUESTION 10
1. Evaluate the integral.
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4 points
QUESTION 11
1. Evaluate the integral.
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- |
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e-4y |
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- |
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-e-4y |
4 points
QUESTION 12
1. Evaluate the integral.
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4 points
QUESTION 13
1. Evaluate the integral.
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6.70 |
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12.64 |
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53.6 |
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74.6 |
4 points
QUESTION 14
1. Evaluate the integral.
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- |
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- |
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- |
4 points
QUESTION 15
1. Evaluate the integral by using a substitution prior to integration by parts.
dx
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- |
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- |
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- |
4 points
QUESTION 16
1. Solve the problem. Find the area of the region enclosed by the curve y = x sin x and the x-axis for 7π ≤ x ≤ 8π.
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14π |
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0 |
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15π |
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14 |
4 points
QUESTION 17
1. Evaluate the integral.
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4 points
QUESTION 18
1. Evaluate the integral.
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- |
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-21x e-3x - 75 e-3x + C |
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- |
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4 points
QUESTION 19
1. Evaluate the integral.
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4 points
QUESTION 20
1. Evaluate the integral.
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ex[x2 - 8x + 8] + C |
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ex[x2 - 8x - 8] + C |
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ex[x2 - 6x + 6] + C |
4 points
QUESTION 21
1. Evaluate the integral.
ln 3x dx
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17.53 |
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22.78 |
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16.78 |
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-6.80 |
4 points
QUESTION 22
1. Evaluate the integral by using a substitution prior to integration by parts.
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x[cos (ln x) + sin (ln x)] + C |
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x cos (ln x) + sin (ln x)+ C |
4 points
QUESTION 23
1. Evaluate the integral.
ln 3x dx
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391.88 |
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384.07 |
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462.20 |
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-153.54 |
4 points
QUESTION 24
1. Evaluate the integral.
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4 points
QUESTION 25
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4π |
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π |
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2π |
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8π |