Evaluate the following iterated integral. $\int _ { 0 } ^ { \frac { \pi } { 9 } } $$\int_{0} ^ {11 cos\theta}$ r dr d$\theta$
A) $\frac { 121 } { 72 } \left( 2 \pi + 9 \sin \left( \frac { 2 \pi } { 9 } \right) \right)$
B) $\frac { 121 } { 9 } \left( 2 \pi + 9 \sin \left( \frac { 2 \pi } { 9 } \right) \right)$
C) $\frac { 11 } { 72 } \left( 2 \pi + 9 \sin \left( \frac { 2 \pi } { 9 } \right) \right)$
D) $\frac { 121 } { 72 } \left( \pi + 9 \sin \left( \frac { 2 \pi } { 9 } \right) \right)$
E) $\frac { 121 } { 72 } \left( 2 \pi + 9 \sin \left( \frac { \pi } { 9 } \right) \right)$

Question

Evaluate the following iterated integral. $\int _ { 0 } ^ { \frac { \pi } { 9 } } $$\int_{0} ^ {11 cos\theta}$ r dr d$\theta$
A) $\frac { 121 } { 72 } \left( 2 \pi + 9 \sin \left( \frac { 2 \pi } { 9 } \right) \right)$
B) $\frac { 121 } { 9 } \left( 2 \pi + 9 \sin \left( \frac { 2 \pi } { 9 } \right) \right)$ 
C) $\frac { 11 } { 72 } \left( 2 \pi + 9 \sin \left( \frac { 2 \pi } { 9 } \right) \right)$
D) $\frac { 121 } { 72 } \left( \pi + 9 \sin \left( \frac { 2 \pi } { 9 } \right) \right)$
E) $\frac { 121 } { 72 } \left( 2 \pi + 9 \sin \left( \frac { \pi } { 9 } \right) \right)$

Quizplus · Accepted Answer

The Answer is A

Evaluate the Following Iterated Integral ∫0π9\int _ { 0 } ^ { \frac { \pi } { 9 } } ∫09π​​

Evaluate the Following Iterated Integral $\int _ { 0 } ^ { \frac { \pi } { 9 } }$