→ wayn2008 :f'(1)=f(1)=f(-1)=0 04/25 01:12
→ wayn2008 :f'(1)=f(1)=f(-1)=1才對QQ 04/25 01:16
→ wayn2008 :f'(1)=100...orz 04/25 01:16
→ wayn2008 :f'(1)=100=2p+q f(1)=1=p+q+r f(-1)=p-q+r 解聯立 04/25 01:19
→ brian821117 :太感謝了!!!不然完全沒辦法下手哈哈 04/25 01:28