1.求√x的导数。 √x = x^(1/2)' x^-1 = 1/x 解: (√x)' = [x^(1/2)]' = 1/2 x x^(1/2 -1) = 1/2(x^(-1/2)) = 1/(2√x)
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求√x的导数过程1 求 x 的导数 x x 1 2 x 1 1 x 解 x x 1 2 1 2xx 1 2 1 1 2 x 1 2 1 2 x
1.求√x的导数。 √x = x^(1/2)' x^-1 = 1/x 解: (√x)' = [x^(1/2)]' = 1/2 x x^(1/2 -1) = 1/2(x^(-1/2)) = 1/(2√x)
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