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math104-s22:s:hannahnan:start [2022/02/18 18:38] hannahbanan [Course Journal] |
math104-s22:s:hannahnan:start [2026/02/21 14:41] (current) |
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| **Jan 18th -- Lec 01** | **Jan 18th -- Lec 01** | ||
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| 1. Rational numbers defined: $\Q$ = $\frac{m}{n}$, | 1. Rational numbers defined: $\Q$ = $\frac{m}{n}$, | ||
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| 2. $\sqrt{\smash[b]{2}}$ is not a rational number, because there does not exist m,n $\in \Z$(in their simplest form) s.t. $\Q$ = $\frac{m}{n}$. | 2. $\sqrt{\smash[b]{2}}$ is not a rational number, because there does not exist m,n $\in \Z$(in their simplest form) s.t. $\Q$ = $\frac{m}{n}$. | ||
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