[中學] 極小值
試求以下三題的極小值
(1) 4x^2+9y^2
(2) 4x^2+4xy+9y^2
(3) 4x^2+4xy+9y^2-12x-8y
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推
04/13 07:57, , 1F
04/13 07:57, 1F
→
04/13 07:58, , 2F
04/13 07:58, 2F
→
04/13 07:59, , 3F
04/13 07:59, 3F
→
04/13 08:00, , 4F
04/13 08:00, 4F
推
04/13 08:06, , 5F
04/13 08:06, 5F
推
04/13 08:07, , 6F
04/13 08:07, 6F
推
04/13 08:15, , 7F
04/13 08:15, 7F
→
04/13 08:16, , 8F
04/13 08:16, 8F
推
04/13 08:25, , 9F
04/13 08:25, 9F
→
04/13 08:27, , 10F
04/13 08:27, 10F
推
04/13 08:29, , 11F
04/13 08:29, 11F
推
04/13 08:30, , 12F
04/13 08:30, 12F
→
04/13 08:30, , 13F
04/13 08:30, 13F
推
04/13 08:47, , 14F
04/13 08:47, 14F
→
04/13 08:49, , 15F
04/13 08:49, 15F
推
04/14 21:30, , 16F
04/14 21:30, 16F
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