[問題] 98交大電信丙工數
(1)solve (y+1) dy/dx + x(y^2 +2y) = x
(2)y=x為 (x^2 +1)(d^2 y /d^2 x)- 2x(dy/dx)+2y=0之ㄧ解,find a linearly
dependent solution by reducing the order
可以講一下解題觀念嗎
因為我補周易 所以您跟我說他用周易哪章的觀念解我自行去查書也ok
不好意思 謝謝~~
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推
03/16 23:16, , 1F
03/16 23:16, 1F
→
03/16 23:16, , 2F
03/16 23:16, 2F
→
03/16 23:17, , 3F
03/16 23:17, 3F
→
03/16 23:17, , 4F
03/16 23:17, 4F
推
03/16 23:20, , 5F
03/16 23:20, 5F
推
03/16 23:21, , 6F
03/16 23:21, 6F
→
03/16 23:22, , 7F
03/16 23:22, 7F
→
03/16 23:22, , 8F
03/16 23:22, 8F
推
03/16 23:26, , 9F
03/16 23:26, 9F
推
03/16 23:30, , 10F
03/16 23:30, 10F
推
03/16 23:31, , 11F
03/16 23:31, 11F
推
03/16 23:33, , 12F
03/16 23:33, 12F
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