[解題] 高一指數函數與圖形
1.年級:高一
2.科目:數學
3.章節:指數函數與圖形
4.題目:
A=3^ 3/4 B=4^ 2/3 C=5^ 1/2
問abc之大小關係
5.想法:
我直接就用把ABC取log
logA=3/4log3=3/4x0.4771
logB=2/3log4=....
logC=......
但是後來我發現這題是出在指數函數的
有沒有辦法不要用對數下去解題的呢
感謝大大
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 114.47.195.75
→
03/22 16:46, , 1F
03/22 16:46, 1F
推
03/22 16:53, , 2F
03/22 16:53, 2F
→
03/22 17:05, , 3F
03/22 17:05, 3F
→
03/22 17:07, , 4F
03/22 17:07, 4F
→
03/22 17:09, , 5F
03/22 17:09, 5F
→
03/22 17:34, , 6F
03/22 17:34, 6F
→
03/22 18:30, , 7F
03/22 18:30, 7F
推
03/22 19:03, , 8F
03/22 19:03, 8F
推
03/22 23:13, , 9F
03/22 23:13, 9F
→
03/22 23:44, , 10F
03/22 23:44, 10F
→
03/23 12:52, , 11F
03/23 12:52, 11F
討論串 (同標題文章)