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The value of K so that y=4x+K may touch ...

The value of K so that `y=4x+K` may touch the hyperbola `(x^(2))/(64)-(y^(2))/(49)=1` is

A

`pm sqrt(975)`

B

`pm sqrt(875)`

C

`pm sqrt(775)`

D

`pm sqrt(675)`

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The correct Answer is:
A
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