共50条信息
已知点\(A\left( 1,1 \right),\)点\(P\)在曲线\(f\left( x \right)={{x}^{3}}-3{{x}^{2}}+3x\left( 0\leqslant x\leqslant 2 \right)\)上,点\(Q\)在直线\(y=3x-14\)上,\(M\)为线段\(PQ\)的中点,则\(\left| AM \right|\)的最小值为\((\) \()\)
设点\(A(0,1),B(2,-1)\),点\(C\)在双曲线\(E:\dfrac{{{x}^{2}}}{4}-{{y}^{2}}=1\)上,则使\(\triangle ABC\)的面积为\(3\)的\(C\) 的个数为\((\) \()\)
已知实数\(a\),\(b\),\(c\),\(d\)满足\(\dfrac{a-2{{e}^{a}}}{b}=\dfrac{1-c}{d-1}=1\),其中\(e\)是自然对数的底数 , 则\((a-c)^{2}+(b-d)^{2}\)的最小值为\((\) \()\)
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