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 length of axis of conic C is

A

`2,2sqrt2`

B

`4,2sqrt3`

C

`6,2sqrt5`

D

`5,2sqrt6`

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The correct Answer is:

A

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