Solve the Problem $\mathrm { P } ( \mathrm { r } , \theta )$

question 228

Multiple Choice

Solve the problem.
-Find the average distance from a point $\mathrm { P } ( \mathrm { r } , \theta )$ in the region bounded by $\mathrm { r } = 3 + 9 \cos \theta$ to the origin.

• A) \(\frac { 29 } { 11 }\)
• B) \(\frac { 261 } { 44 }\)
• C) \(\frac { 87 } { 22 }\)
• D) \(\frac { 58 } { 11 }\)

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