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The Area of the Surface r(u,v)=4ucosvi+4usinvj+u2k\mathbf { r } ( u , v ) = 4 u \cos v \mathbf { i } + 4 u \sin v \mathbf { j } + u ^ { 2 } \mathbf { k }

Question 58

Multiple Choice

The area of the surface r(u,v) =4ucosvi+4usinvj+u2k\mathbf { r } ( u , v ) = 4 u \cos v \mathbf { i } + 4 u \sin v \mathbf { j } + u ^ { 2 } \mathbf { k } , where is


A) 128π(221) 3\frac { 128 \pi ( 2 \sqrt { 2 } - 1 ) } { 3 }
B) 128π128 \pi
C) 41
D) 128π3\frac { 128 \pi } { 3 }
E) 222 \sqrt { 2 }

Correct Answer:

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