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Multivariable Calculus

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Rectangular to Cylindrical (Point)

MVCALC-BRSHGL

Let $Q=(7,7, -2)$ be a point given in rectangular coordinates.

What is the correct form of $Q$ in cylindrical coordinates?

A

$(7\sqrt{2}, \pi/2, -2)$

B

$(14, \pi/4, -2)$

C

$(2\sqrt{7}, -\pi/4, -2)$

D

$(7\sqrt{2}, \pi/4, -2)$

E

$(\sqrt{14}, \pi/2, -2)$