作者查詢 / xx5236294roy
作者 xx5236294roy 在 PTT [ SENIORHIGH ] 看板的留言(推文), 共70則
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16F推:高二下結束暑假開始衝學測03/03 15:33
8F推:成大+1 二類03/03 10:41
8F推:推!!02/05 13:00
3F推:推 =3=02/02 11:36
7F推:我查一下 去年陽明醫 是校內1% 75級 生物1%02/02 11:17
9F→:抱歉看錯 上面的生物1% 改成英文1%02/02 11:24
10F→:QQ 又看錯... 我整個重打一遍..02/02 11:25
12F→:去年陽明 1% 75 1% 成功 1% 75 15 15 15 1% 2%02/02 11:26
6F推:推 感謝^^"01/28 17:52
2F推:f(1+i)=a+bi 則f(1-i)=a-bi, a,b為實數01/22 21:15
3F→:所以f(1+i)+f(1-i)=2a 為實數01/22 21:15
45F推:自然感覺難+1 猜了2.3題Orz09/08 20:53
11F推:2.令x-2=t,其中t不等於3,4,5 . 1/x-1 與 1/x-3合併07/31 22:23
12F→:原式變為 2t/(t^2 -1) + 1/t=t -> t^3-3t^2-t+1=007/31 22:24
13F→:by勘根 f(0)>0,f(1)<0,f(10)>10 至少有兩實根07/31 22:25
14F→:再由虛根成對定理可知有3實根07/31 22:25
16F推:囧 剛剛檢察一下我上面打錯Orz07/31 22:29
21F推:t不等於-1,0,1才對 打錯orz 那下面那邊我也有問題||07/31 22:32
24F推:我上面打的f(0)>0,跟f(1)<0 應該要把0,1換成很接近的07/31 22:38
25F→:的數字 因為t不等於-1,0,107/31 22:39
9F推:推!!07/16 20:50