(b) Sketch the trace of the surface z = 2x? – y? when x = -1. Label your axes, and give the coordinates of at least three points on your graph.

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Chapter2: Second-order Linear Odes
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2x2 – y? when x = –1. Label your axes, and give
(b) Sketch the trace of the surface z
the coordinates of at least three points on your graph.
Transcribed Image Text:2x2 – y? when x = –1. Label your axes, and give (b) Sketch the trace of the surface z the coordinates of at least three points on your graph.
Expert Solution
Step 1

Given surface is 

z=2x2-y2          (i)

By putting x=-1 in (i), the surface becomes

z=2-y2

The graph of the surface is shown below

 

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