$\dfrac{\sqrt{m+1}+\sqrt{m-1}}{\sqrt{m+1}-\sqrt{m-1}} = x$ হলে $x^2 - kmx + 1 = 0$ -এ $k = ?$

C-11-Q080: $\dfrac{\sqrt{m+1}+\sqrt{m-1}}{\sqrt{m+1}-\sqrt{m-1}} = x$ হলে $x^2 - …

C-11-Q080: $\dfrac{\sqrt{m+1}+\sqrt{m-1}}{\sqrt{m+1}-\sqrt{m-1}} = x$ হলে $x^2 - … | প্রশ্ন করি

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\dfrac{1}{2}