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#56d54022-ab4c-4570-8ac3-7edbc2793e5b简单fill_compute导数与切线导数

27.(2023•鼓楼区校级模拟)已知曲线C1:f(x)=x2{C}_{1}:f(x)={x}^{2}与曲线C2:g(x)=aex+1(a>0){C}_{2}:g(x)=a{e}^{x+1}(a>0)有且只有一条公切线,则a=a=___4e3\frac{4}{{e}^{3}}___.