已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 2 ).已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 / 2 )

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 15:53:42
已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 2 ).已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 / 2 )
x){}K}6uC=tڦoPS022.3tmlJS?J{԰IPHA>bTOP lWkTh**TV0 [XLM/ta= ׈UE$ف#

已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 2 ).已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 / 2 )
已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 2 ).
已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 / 2 )

已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 2 ).已知函数f(x)=eπx•sin2πx,求f'(x)及f′(1 / 2 )
f'(x) = eπ•sin2πx + 2eπ²x•cos2πx
f'(1/2) = eπ•sinπ + eπ²•cosπ = - eπ²