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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

` +- sqrt5/13`

B

`+- 13/sqrt5`

C

`+-13/5`

D

`+-5/13`

Text Solution

Verified by Experts

The correct Answer is:
B
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