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Find a Parametric Representation for the Surface Consisting of the Upper

Question 59

Multiple Choice

Find a parametric representation for the surface consisting of the upper half of the ellipsoid x2+5y2+z2=1x ^ { 2 } + 5 y ^ { 2 } + z ^ { 2 } = 1 .


A) x=x,y=y,z=1+x2+5y2x = x , y = y , z = \sqrt { 1 + x ^ { 2 } + 5 y ^ { 2 } }

B) x=x,y=y,z=1+x2−5y2x = x , y = y , z = \sqrt { 1 + x ^ { 2 } - 5 y ^ { 2 } }
C) x=x,y=y,z=1−x2+5y2x = x , y = y , z = \sqrt { 1 - x ^ { 2 } + 5 y ^ { 2 } }
D) x=x,y=y,z=1−x2−5y2x = x , y = y , z = \sqrt { 1 - x ^ { 2 } - 5 y ^ { 2 } }
E) x=x,y=y,z=x2+5y2−1x = x , y = y , z = \sqrt { x ^ { 2 } + 5 y ^ { 2 } - 1 }
F) x=x,y=y,z=x2−5y2−1x = x , y = y , z = \sqrt { x ^ { 2 } - 5 y ^ { 2 } - 1 }

G) x=x,y=y,z=−x2+5y2−1x = x , y = y , z = \sqrt { - x ^ { 2 } + 5 y ^ { 2 } - 1 }

H) x=x,y=y,z=−x2−5y2−1x = x , y = y , z = \sqrt { - x ^ { 2 } - 5 y ^ { 2 } - 1 }

Correct Answer:

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