If a Is the Area of the Region Bounded by One

Multiple Choice

If A is the area of the region bounded by one leaf of the lemniscates $r ^ { 2 } = 3 \sin 2 \theta,$ then A is

A) $\frac { 9 } { 2 }$
B) $\frac { 7 } { 2 }$
C) $\frac { 5 } { 2 }$
D) $\frac { 3 } { 2 }$
E) $\frac { 1 } { 2 }$