In the
Connections in end
3. reni
34. libere
litera
數學A考科
25.rese
第4 頁
共7 頁
(rese
X3
26. det
defu
x
y
Z
A=
•
BY
2
--
(X,+Xz, Yıtlz, Zi+Zz) • (X3. Ys, Z3)
XIX3+Xz+X3 + Y, YSTYzY3t Zi Z3t Zz TZ3
9. 假設=(x,y,z),b=(x2, 2, 2), c=(x,2,23)為空間中三個非零向量,
-2+2 =0
(1)
EXO AB=
(2)
X Y Z
試選出正確的選項。
-2
(4)
(1) ač =2
[xixsty, Y3+ZI Z3 2.
AB=
(2) (a+to). e=0
XzX3 + YzY 3 + Zz Z3
dă --
(4) 1 a 1=1b
a č=2
(5)ā 1+1 7 1>1ā + 7
5. <= -2
I defa
de fa
atta
(5)
1
N Ņ
10,0)
ve
in
-2
-
ob
(0,0)
ã c = c. 5
(X.48)=1218)
