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Mathematics
Problem
Determine the unit vector in the direction from
A
(
−
1
,
2
,
0
)
A(-1,2,0)
A
(
−
1
,
2
,
0
)
to
B
(
2
,
6
,
4
)
B(2,6,4)
B
(
2
,
6
,
4
)
. a)
3
i
^
+
4
j
^
+
4
k
^
41
\dfrac{3\hat{i}+4\hat{j}+4\hat{k}}{41}
41
3
i
^
+
4
j
^
+
4
k
^
b)
3
i
^
+
4
j
^
+
4
k
^
41
\dfrac{3\hat{i}+4\hat{j}+4\hat{k}}{\sqrt{41}}
41
3
i
^
+
4
j
^
+
4
k
^
c)
−
3
i
^
−
4
j
^
−
4
k
^
41
\dfrac{-3\hat{i}-4\hat{j}-4\hat{k}}{\sqrt{41}}
41
−
3
i
^
−
4
j
^
−
4
k
^
d)
4
i
^
+
3
j
^
+
4
k
^
41
\dfrac{4\hat{i}+3\hat{j}+4\hat{k}}{\sqrt{41}}
41
4
i
^
+
3
j
^
+
4
k
^
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