28. a) Find parametric equations for the line that is tangent to the curve 7(t) = ln(t)i +t=2+ + tln(t)k at the point when t = 1. b) Sketch and/or describe the space curve F(t) = 21 + cos(t)j + 3 sin(t)k.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Question 28 please 

mܩܘ 4:29
ZONE
t - 1
28. a) Find parametric equations for the line that is tangent to the curve r'(t) = ln(t)î +
b) Sketch and/or describe the space curve r(t) = 2î + cos(t)j +3 sin(t)k.
t+2
ĵ+tln(t)k at the point when t = 1.
83%
O
|||
Transcribed Image Text:mܩܘ 4:29 ZONE t - 1 28. a) Find parametric equations for the line that is tangent to the curve r'(t) = ln(t)î + b) Sketch and/or describe the space curve r(t) = 2î + cos(t)j +3 sin(t)k. t+2 ĵ+tln(t)k at the point when t = 1. 83% O |||
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