求下列函数的导数y=arccos1/x y=4arcsin √X/2+√(4X-X^2)
问题描述:
求下列函数的导数y=arccos1/x y=4arcsin √X/2+√(4X-X^2)
答
1.y'=1/[x√(x²-1)]
2.y'=2/[√x√(4-x)]+(2-x)/[√x√(4-x)]
=√(4-x)/√x