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IF the line x + y +k =0 is a norma...

IF the line ` x + y +k =0` is a normal to the hyperbola `(x^2)/(9)-(y^2)/(4)=1` then `k=`

A

`+- (sqrt(5))/(13)`

B

`+- (13)/(sqrt(5))`

C

`+- (13)/(5)`

D

`+-(5)/(13)`

Text Solution

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The correct Answer is:
B
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