The equation of the tangent to the curve...

The equation of the tangent to the curve `y=sqrt(9-2x^(2))` at the point where the ordinate & the abscissa are equal is

A

`2x+y-3sqrt3=0`

B

`2x+y+3sqrt3=0`

C

`2x-y-3sqrt3=0`

D

None of these

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The correct Answer is:

A

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