Mathematics
Senior High
Resolved
請問
為什麼我的做法錯誤呢?
(我的算式如圖)
弟)起至第1題,母題完全合對給6分,合錯
9.設k為大於1的正實數,若函數y=klxl的圖形與直線x+y=3所圍成的區域面積為
27
8
,
則= 9
B
X20
y=kx
2
57
XX=3-1
+1
3 5 6 2 1 ili 24
a
X20 y=xx = x = x+1
X<o y --** = x = FK
1 AB 21 = AAOL+ A OBC = ₤3-12-15) + 1/2/3 + 1/2+1
3x
3
-7x=3-7
↑
=
(六)学
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