B = \left[ 1 : \left( 1 - \frac{\sqrt{x}}{\sqrt{2} + 1} \right) \right] \left[ \frac{(1+x)}{(1-\sqrt{x})} \right] + \frac{1}{\sqrt{2x} - 1} \right] \text{ do } B \in \mathbb{R} \cup \mathbb{Z}

----- Nội dung ảnh -----
B = \left[ 1 : \left( 1 - \frac{\sqrt{x}}{\sqrt{2} + 1} \right) \right] \left[ \frac{(1+x)}{(1-\sqrt{x})} \right] + \frac{1}{\sqrt{2x} - 1} \right] \text{ do } B \in \mathbb{R} \cup \mathbb{Z}