共50条信息
已知函数\(y=x\)\({\,\!}^{2}\)的图象在点\((\)\({x}_{0} \),\({{x}_{0}}^{2} \)\()\)\(x∈( \sqrt{n}, \sqrt{n+1})n∈N \) 处的切线为\(l\),若\(l\)也与函数\(y=\ln x\) ,\(x\)\(∈(0,1)\)的图象相切,则\(n=\)_________
设\(f\)\((\)\(x\)\()\)的图象在区间\([\)\(a\),\(b\)\(]\)上不间断,且\(f\)\((\)\(a\)\()\)\(f\)\((\)\(b\)\() < 0\),用二分法求相应方程的根时,若\(f\)\((\)\(a\)\() < 0\),\(f\)\((\)\(b\)\() > 0\),\(f\)\((\)\() > 0\),则取有根的区间为 ______.
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