11. If y = y(x) satisfies the differential equation x2y' + 3xy = 2ln(x) for x ＞ 0 with y(1) = 2, then y(x)= __(13)__.

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Chia Chung

詳解 #5848061

2023/06/14

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12. Let C be a variable path in the ay-plane of arc-length 1 starting at the point (,1) and ending at the point (a,b). Suppose that G(a,b) := .dr, where f(x,y) := arctan , is a function in a and b. Then, G attains its maximum at a =__(14)__ and b =__ (15)__ and the maxinum value of G is __(16)__.

11. If y = y(x) satisfies the differential equation x²y' + 3xy = 2ln(x) for x ＞ 0 with y(1) = 2, then y(x)= (13).

詳解 (共 1 筆)

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