[課業] 密及數
Y'' - XY' + Y = -X COS X
Y(0) = 0 Y'(0) = 2
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07/15 22:09, , 1F
07/15 22:09, 1F
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07/15 22:12, , 2F
07/15 22:12, 2F
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07/15 22:17, , 3F
07/15 22:17, 3F
推
07/15 22:32, , 4F
07/15 22:32, 4F
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07/15 22:42, , 5F
07/15 22:42, 5F
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