\( x^2-y^2=18 \) অধিবৃত্তের উপকেন্দ্রদ্বয়ের মধ্যবর্তী দূরত্ব কত?

A \( 6 \)

B \( 6\sqrt{2} \)

C \( 12 \)

D 18

Solution

Correct Answer: Option C

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