The value of \( m \) for which \( y=m x+6 \) is tangent to the hype...

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The value of \( m \) for which \( y=m x+6 \) is tangent to the hyperbola \( \frac{x^{2}}{100}-\frac{y^{2}}{49}=1 \) is
\( \mathrm{P} \)
(A) \( \sqrt{\frac{17}{20}} \)
(B) \( \sqrt{\frac{20}{17}} \)
W
(C) \( \sqrt{\frac{3}{20}} \)
(D) \( \sqrt{\frac{20}{3}} \)
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