y = $\sqrt{x+\sqrt{x+\sqrt{x+......}}}$ হলে $\frac{dy}{dx} = কত?$ (ক) $\frac{1}{2y}$ (খ) $\frac{1}{-2y}$ (গ) $\frac{1}{2y-1}$ (ঘ) $\frac{1}{1-2y}$

ID#7032 HSC Higher Math 1st MCQ (Barisal 2023)

y = $\sqrt{x+\sqrt{x+\sqrt{x+......}}}$ হলে $\frac{dy}{dx} = কত?$

ক) (ক) $\frac{1}{2y}$

খ) (খ) $\frac{1}{-2y}$

গ) (গ) $\frac{1}{2y-1}$

ঘ) (ঘ) $\frac{1}{1-2y}$

গ

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