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Author Question: Find the length of the curve r(t) = (t2 sin t) i + (t2 cos t) j + 2t k for 0 t 2. (Read 79 times)

tth

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on: May 27, 2021

Question 1

Find the arc length of the arc  r = (ln (cos θ) ) i  + θ j,  - ≤ θ ≤ 0.
◦ 2 units
◦ units
◦ units
◦ ln (2 + ) units
◦ units

Question 2

Find the length of the curve  r(t) = (t2 sin t) i + (t2 cos t) j  + 2t k  for 0 ≤ t ≤ 2π.
◦ + 4π  units
◦ + 4π  units
◦ + 2π  units
◦ + 2π  units
◦ + 2π  units
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Marked as best answer by tth on May 27, 2021

dellikani2015

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Reply #1 on: May 27, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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tth

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Reply 2 on: May 27, 2021
YES! Correct, THANKS for helping me on my review

xiaomengxian

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  • Posts: 311
Reply 3 on: Yesterday
Wow, this really help

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