已知y=x²+cose^x,求dy更正:已知y=(x²)'+cose^x,求dy
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已知y=x²+cose^x,求dy更正:已知y=(x²)'+cose^x,求dy
已知y=x²+cose^x,求dy
更正:已知y=(x²)'+cose^x,求dy
已知y=x²+cose^x,求dy更正:已知y=(x²)'+cose^x,求dy
dy/dx=2x-e^xsine^x
则dy=[2x-e^xsine^x]dx