[中學]
曲線 x^2+6xy+y^2+10x-2y+1 上一點 P(h,k)
則 h^2+k^2 最小值為? <---抄錯題目了... 不好意思
更正一下題目(以下才是對的)
曲線3x^2+6xy+7y^2-12=0 上一點 P(h,k)
則 h^2+k^2 最小值為? 這樣才對
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※ 編輯: AAJJBurnett 來自: 140.114.206.124 (10/03 14:16)
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