导数定义
左处：... = (1/2) ∫ <0, 1> dx [(2/3)(1-x^2+y^2)^(3/2)]<0, x>
= (1/3) ∫ <0, 1> [1-(1-x^2)^(3/2)]dx = ...
右处：... = ∫<1, 2>dy∫
= (2/π)∫<1, 2>ydy[-cos(πx/2y)]
= (2/π)∫<1, 2>y[cos(π/2)-cos(πy/2)]dy
= (-2/π)∫<1, 2>ycos(πy/2)dy = ...
看一下你的题目😮
不就是洛必达法则吗，对分子分母同时求导
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024