Gaokao Math Practice Question
若过点 $(a, b)$ 可以作曲线 $y=\mathrm{e}^{x}$ 的两条切线, 则 ($\quad$)
- A.$\mathrm{e}^{b}<a$
- B.$\mathrm{e}^{a}<b$
- C.$0<a<\mathrm{e}^{b}$
- D.$0<b<\mathrm{e}^{a}$
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