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Use the Following Results the Polar Equation of the Ellipse x2a2+y2b2=1\frac { x ^ { 2 } } { a ^ { 2 } } + \frac { y ^ { 2 } } { b ^ { 2 } } = 1

Question 6

Multiple Choice

Use the following results the polar equation of the ellipse x2a2+y2b2=1\frac { x ^ { 2 } } { a ^ { 2 } } + \frac { y ^ { 2 } } { b ^ { 2 } } = 1 is r2=b21e2cos2θr ^ { 2 } = \frac { b ^ { 2 } } { 1 - e ^ { 2 } \cos ^ { 2 } \theta } to write the polar form of the equation of the conic x225+y216=1\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 16 } = 1 . ​


A) r2=25259cos2θr ^ { 2 } = \frac { 25 } { 25 - 9 \cos ^ { 2 } \theta }
B) r2=400259cos2θr ^ { 2 } = \frac { 400 } { 25 - 9 \cos ^ { 2 } \theta }
C) r2=40025+9cos2θr ^ { 2 } = \frac { 400 } { 25 + 9 \cos ^ { 2 } \theta }
D) r2=4009+25cos2θr ^ { 2 } = \frac { 400 } { 9 + 25 \cos ^ { 2 } \theta }
E) r2=400925cos2θr ^ { 2 } = \frac { 400 } { 9 - 25 \cos ^ { 2 } \theta }

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