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The line x-y + k =0 is normal to the ell...

The line `x-y + k =0` is normal to the ellipse `(x^2)/(9) + (y^2)/(16)=1`, then `k=`

A

`5`

B

`5//7`

C

`2//5`

D

`5//2`

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The correct Answer is:
A
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 3-(MATHEMATICS)
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