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Mathematics
Mathematics
Problem
For
a
=
2
i
+
3
j
+
k
\mathbf{a}=2\mathbf{i}+3\mathbf{j}+\mathbf{k}
a
=
2
i
+
3
j
+
k
and
b
=
i
−
j
+
2
k
\mathbf{b}=\mathbf{i}-\mathbf{j}+2\mathbf{k}
b
=
i
−
j
+
2
k
, find the scalar projection of
a
\mathbf{a}
a
on
b
\mathbf{b}
b
. a)
−
1
6
-\dfrac{1}{\sqrt{6}}
−
6
1
b)
1
14
\dfrac{1}{\sqrt{14}}
14
1
c)
1
6
\dfrac{1}{\sqrt{6}}
6
1
d)
6
\sqrt{6}
6
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