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求y=sin(2x+1)cos(2x-1)-cos(2x+1)sin(2x-1)的导数
人气:415 ℃ 时间:2019-09-17 01:14:02
解答
y'=(sin(2x+1)cos(2x-1)-cos(2x+1)sin(2x-1) )'
=sin'(2x+1-2x+1)
=sin'1
=0
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