08 2022 档案

摘要：圆的面积函数是

S (r) = π r^{2}

周长函数是

C (r) = 2 π r

这二者的关系可以通过导数联系起来

S^{^{'}} (r) = {(π r^{2})}^{^{'}} = 2 π r = C (r)

简而言之就是圆的面积的导数等于周长，为什阅读全文

posted @ 2022-08-23 09:27 iMath 阅读(1832) 评论(0) 推荐(0) 编辑

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