Evaluate the Integral $\iint _ { R } \sqrt { x ^ { 2 } + 9 y ^ { 2 } } d A$

question 94

Multiple Choice

Evaluate the integral $\iint _ { R } \sqrt { x ^ { 2 } + 9 y ^ { 2 } } d A$ , where R is the region enclosed by the ellipse $\frac { x ^ { 2 } } { 9 } + y ^ { 2 } = 1$ .

• A)24\(\pi\)
• B)\(\pi\)
• C)12\(\pi\)
• D)3\(\pi\)
• E)10\(\pi\)
• F)2\(\pi\)
• G)6\(\pi\)
• H)4\(\pi\)

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