Blogtrottr
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
高二數學-拋物線
Jun 16th 2013, 07:33

[unable to retrieve full-text content]

------------------------------------------------------------------------------------------- 其時 D^2 = a^2 即距離 = |a| [x^2 +(1/2-a)]^2 一定是非負數 a-1/4 是正數,是常數 [x^2 + (1/2-a)]^2 + a - 1/4 會隨x而變化 最小值發生於[x^2 + (1/2-a)]^2 = 0 時 即 x^2 = a - 1/2...
You are receiving this email because you subscribed to this feed at blogtrottr.com.

If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions
arrow
arrow
    全站熱搜

    candycrush3 發表在 痞客邦 留言(0) 人氣()

    E-mail轉寄