A Parametric Representation of the Surface in Terms of the Parameters

question 67

Multiple Choice

A parametric representation of the surface in terms of the parameters r and $\theta$ , where (r, $\theta$ , z) are the cylindrical coordinates of a point and x = r cos $\theta$ , y = r sin $\theta$ on the surface is

• A) z = r cos \(\theta\)e ^r
• C) z = cos \(\theta\)e ^r

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