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Mathematics
Mathematics
Problem
If
a
=
3
i
^
−
4
j
^
\mathbf{a}=3\hat{i}-4\hat{j}
a
=
3
i
^
−
4
j
^
and
b
=
−
5
i
^
+
2
j
^
\mathbf{b}=-5\hat{i}+2\hat{j}
b
=
−
5
i
^
+
2
j
^
, then
a
−
b
\mathbf{a}-\mathbf{b}
a
−
b
equals a)
−
8
i
^
+
6
j
^
-8\hat{i}+6\hat{j}
−
8
i
^
+
6
j
^
b)
8
i
^
−
2
j
^
8\hat{i}-2\hat{j}
8
i
^
−
2
j
^
c)
8
i
^
−
6
j
^
8\hat{i}-6\hat{j}
8
i
^
−
6
j
^
d)
−
2
i
^
−
6
j
^
-2\hat{i}-6\hat{j}
−
2
i
^
−
6
j
^
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