A conic is represented by C-=9x^(2)+4xy+...

A conic is represented by `C-=9x^(2)+4xy+6y^(2)-22x-16y+9=0` Q. The eccentricity of conic C is

A

`1/2`

B

`1/sqrt2`

C

`2/3`

D

`2/sqrt5`

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The correct Answer is:

B

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