Chapter
12 -
Vectors
Yea Z
, Vectors in 3D
(y): (a) 25+
2
=
a =
P(3,4,1z) 2,i4
1 (z x) -- + -
0(4, -1,7) ↓
251
Distance
between
I
points:d x(t(y)"
=
(02) +
, -
Distances between
P(7,7,7) re
49+49
and the +49 7-5
=
origin.
-
X
ie(3 n)" (- 8 3) -
+ -
-
-
arch2 2re
+
2 -
64 50
+
90
=
22 -
64 -
40 0
=
h 10
=
k -
=
4
12 -
Vectors
Yea Z
, Vectors in 3D
(y): (a) 25+
2
=
a =
P(3,4,1z) 2,i4
1 (z x) -- + -
0(4, -1,7) ↓
251
Distance
between
I
points:d x(t(y)"
=
(02) +
, -
Distances between
P(7,7,7) re
49+49
and the +49 7-5
=
origin.
-
X
ie(3 n)" (- 8 3) -
+ -
-
-
arch2 2re
+
2 -
64 50
+
90
=
22 -
64 -
40 0
=
h 10
=
k -
=
4