characteristic diameter是什么意思
题目
characteristic diameter是什么意思
答案
The length of the space between two sides of a circle passing through the radius, Alternatively it is twice the length of the radius. This is the distance from the centre of the circle to any point on...
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点