当x→_______,函数y=x/x-1是无穷大,当x→_______,函数y=x/x-1是无穷小.已知y=sin(3x),则y'=_______
问题描述:
当x→_______,函数y=x/x-1是无穷大,当x→_______,函数y=x/x-1是无穷小.已知y=sin(3x),则y'=_______
答
1
0
y'=3cos3x
答
当x→_1__,函数y=x/x-1是无穷大,当x→__0__,函数y=x/x-1是无穷小.已知y=sin(3x),则y'=_3cos3x______