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求函数y=2xsin(2x+5)的导数,
人气:174 ℃ 时间:2020-04-07 15:45:12
解答
y'=2x'*sin(2x+5)+2x*[sin(2x+5)]'
=2sin(2x+5)+2x*cos(2x+5)*(2x+5)'
=2sin(2x+5)+4xcos(2x+5)
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