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vishal vyas


Last seen: 3 years 前 |  自 2018 起处于活动状态

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dr/dt* ln(a*r*dr/dt)=b/r^7 how to solve this equation
kindly help me to solve this equation a = 0.5, b=2, r(0)=1.2

6 years 前 | 1 个回答 | 0

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