求y=2x*sin(2x+5)的导数 要有简单的步骤 不过步骤越详细越好啊 谢谢拉
1个回答
展开全部
y=2x*sin(2x+5)
y'=(2x)'*sin(2x+5)+2x*(sin(2x+5))'
=2sin(2x+5)+2x*cos(2x+5)*(2x+5)'
=2sin(2x+5)+2x*cos(2x+5)*2
=2sin(2x+5)+4xcos(2x+5)
%by dynamic
%see also http://www.matlabsky.com
%contact me matlabsky@gmail.com
%2009.2.
%
y'=(2x)'*sin(2x+5)+2x*(sin(2x+5))'
=2sin(2x+5)+2x*cos(2x+5)*(2x+5)'
=2sin(2x+5)+2x*cos(2x+5)*2
=2sin(2x+5)+4xcos(2x+5)
%by dynamic
%see also http://www.matlabsky.com
%contact me matlabsky@gmail.com
%2009.2.
%
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
