Question

7

想請問這要怎麼求解！數學複習

17
(5.5)=(+2°
✓ 109/093 = 10x
.
65,5): 10
15.過點P(24,3)且與直線L:ㄨ/y±0垂直的直線,分別交函數 f(x)=2*與g(x)=logzx
兩圖形於點A、B,則PA+PB=?
Y = - X+b of 1) ch.
(0,1)
(1,0)
3=4+b
if (110)
b=-1
B (aib)
SAVE: 7√2
y=-x-
16.a>b>0,且ab=1000,若f(x)=(log *) (log
ㄓㄨㄥ )之最小值為
-
,則數對(a,b)=?
4
a
b
-(ogx-loga) (logx-logb)
= (ogx) + (logalogb) - logxloga-logxl-gb
参考書票:(100,10)