(a) Let f(x, y) = sin(y?). Compute fry and fyr and show that they are equal to each other. (b) Let line Lı have parametric equations x = -2+ 3t, y = 4t, and z = 8 – t. Let L2 have parametric equations x = 1+ 2s, y = 3 - 5s, and z = 2+ s. Determine whether L1 and L2 are parallel, intersecting, or skew.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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1. (a) Let f(x, y) = sin(y²). Compute fry and fyz and show that they are equal
to each other.
(b) Let line Lı have parametric equations x = -2+ 3t, y = 4t, and z = 8 –t.
Let L2 have parametric equations x = 1+ 2s, y = 3 – 5s, and z = 2+ s.
Determine whether L1 and L2 are parallel, intersecting, or skew.
Transcribed Image Text:1. (a) Let f(x, y) = sin(y²). Compute fry and fyz and show that they are equal to each other. (b) Let line Lı have parametric equations x = -2+ 3t, y = 4t, and z = 8 –t. Let L2 have parametric equations x = 1+ 2s, y = 3 – 5s, and z = 2+ s. Determine whether L1 and L2 are parallel, intersecting, or skew.
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