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The auxiliary equation of circle of hype...

The auxiliary equation of circle of hyperbola `(x ^(2))/(a ^(2)) - (y^(2))/(b ^(2)) =1,` is

A

`x ^(2) + y^(2) =a ^(2)`

B

`x ^(2) + y ^(2) = b^(2)`

C

`x ^(2) + y^(2) =a ^(2) + b ^(2)`

D

`x ^(2) + y^(2)=a^(2) - b^(2)`

Text Solution

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The correct Answer is:
A
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