Sketch the curve given in parametric form by r = ti+ sin tj + cos tk, 0 < t < 2π, and write down an integral to determine its length. Calculate the length of this curve. Write down a simple algebraic relation that determines a simple surface on which the curve lies. The length of this curve is: (a) 2√2 (b) 2π (c) 2√2 (d) π/2√√2 The surface on which the curve lies is: (i) a sphere x² + y²+z² = 1 (ii) a cylinder 2 + y² = 1 (iii) an elliptic cylinder (3x)2 + y² = 1 (iv) a cylinder y²+z² = 1 22

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Sketch the curve given in parametric form by r = ti+ sin tj + cos tk, 0 < t < 2π, and
write down an integral to determine its length. Calculate the length of this curve. Write
down a simple algebraic relation that determines a simple surface on which the curve
lies.
The length of this curve is:
(a) 2π√2
(b) 2π
(c) 2√2
(d) π/2√√2
The surface on which the curve lies is:
(i) a sphere x² + y²+z² = 1
(ii) a cylinder x² + y² = 1
(iii) an elliptic cylinder (3x)2 + y² = 1
(iv) a cylinder y²+z² = 1
22
Transcribed Image Text:Sketch the curve given in parametric form by r = ti+ sin tj + cos tk, 0 < t < 2π, and write down an integral to determine its length. Calculate the length of this curve. Write down a simple algebraic relation that determines a simple surface on which the curve lies. The length of this curve is: (a) 2π√2 (b) 2π (c) 2√2 (d) π/2√√2 The surface on which the curve lies is: (i) a sphere x² + y²+z² = 1 (ii) a cylinder x² + y² = 1 (iii) an elliptic cylinder (3x)2 + y² = 1 (iv) a cylinder y²+z² = 1 22
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