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Question

The eccentricity of the conic x+227+y-12=14 is


A

78

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B

617

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C

32

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D

611

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E

67

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Solution

The correct option is E

67


Explanation for correct option:

Given the equation of the conic is x+227+y-12=14

The equation of the ellipse becomes x+227×14+y-1214=1

a2=7×14b2=14e=1-b2a2=1-147×14=1-17=67

Hence, Option E is the correct answer


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