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y=根号2x,求导
人气:400 ℃ 时间:2020-02-20 17:09:26
解答
解y=√2x
即y′=(√2x)′
=√2(√x)′
=√2*1/2*x^(-1/2)
=√2*1/2*1/√x
=√2/(2√x)
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