트위터에서 보고 정리 $$ 1.5 = \frac{3}{2} = \frac{9}{8} \times \frac{4}{3} $$$$ \frac{4}{3} = 1.333 \cdots \approx 1.331 = 1.1^3, \quad (\frac{4}{3})^{1/3} \approx 1.1 $$$$ (\frac{9}{8})^{1/3} = (1+\frac{1}{8})^{1/3} = 1+ \frac{1}{3}\frac{1}{8} +\frac{\frac{1}{3}(\frac{1}{3}-1)}{2} (\frac{1}{3})^2 +\cdots \text{(taylor expansion)} $$$$ \approx 1+\frac{1}{24} - (\frac{1}{24})^2 = 1+\frac{1}{24} - \frac{1..