根号x的导数,y'=(x)½ 再用幂函数求导=(x/2)-½,然后呢?
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![根号x的导数,y'=(x)½ 再用幂函数求导=(x/2)-½,然后呢?](/uploads/image/z/5347496-56-6.jpg?t=%E6%A0%B9%E5%8F%B7x%E7%9A%84%E5%AF%BC%E6%95%B0%2Cy%27%3D%28x%29%26%23189%3B+%E5%86%8D%E7%94%A8%E5%B9%82%E5%87%BD%E6%95%B0%E6%B1%82%E5%AF%BC%EF%BC%9D%28x%EF%BC%8F2%29-%26%23189%3B%2C%E7%84%B6%E5%90%8E%E5%91%A2%3F)
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根号x的导数,y'=(x)½ 再用幂函数求导=(x/2)-½,然后呢?
根号x的导数,y'=(x)½ 再用幂函数求导=(x/2)-½,然后呢?
根号x的导数,y'=(x)½ 再用幂函数求导=(x/2)-½,然后呢?
y=√x=x^(1/2)
y'=[x^(1/2)]'=1/2*x^(-1/2)=1/(2√x)