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Lydia H


自 2013 起处于活动状态

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Professional Interests: Tennis, Movies

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solving a differential equation
Hi guys, I want to solve a second order differential equation which is: 2*y''(t) + 6*y'(t) + 4*y(t) = f'(t) + 2*f(t) wher...

11 years 前 | 2 个回答 | 0

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