共50条信息
直线\(l\)过点\({M}_{0}\left(1,5\right) \),倾斜角是\( \dfrac{π}{3} \),且与直线\(x-y-2 \sqrt{3}=0 \)交于\(M\),则\(\left|M{M}_{0}\right| \)的长为___________.
已知函数\(f(x)=x+\sin x(x∈R)\),且点\(M(x,y)\)满足条件\(f(y^{2}-2y+3)+f(x^{2}-4x+1)\leqslant 0\),若点\(A(0,3)\)关于直线\(l\):\(x+y+1=0\)的对称点是\(B\),则线段\(BM\)的最小值是________.
两直线\(3ax-y-2=0\)和\((2a-1)x+3ay-3=0\)分别过定点\(A\),\(B\),则\(|AB|=\)_______.
已知点\(\left(x,y\right) \)满足约束条件\(\begin{cases}\begin{matrix}7x-3y\geqslant 2 \\ 4x-5y\leqslant 11\end{matrix} \\ 3x+2y\leqslant 14\end{cases} \),则\( \dfrac{y}{x+3} \)的取值范围为_______________.
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