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d=dx/1+x2desinx=dxd=dx/1+x2desinx=dx
题目详情
d______ = dx/1+x2 d esinx = ______dx
d______ = dx/1+x2
d esinx = ______dx
d______ = dx/1+x2
d esinx = ______dx
▼优质解答
答案和解析
dtanx=dx/(1+x²)
desinx=ecosxdx
desinx=ecosxdx
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