write the two different vectors having same direction
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Answer:
Consider
p
=(
i
^
+
j
^
+
k
^
) and
q
=(2
i
^
+2
j
^
+2
k
^
)
The directions cosines of
p
are given by,
l=
1
2
+1
2
+1
2
1
=
3
1
,m=
1
2
+1
2
+1
2
1
=
3
1
, and n=
1
2
+1
2
+1
2
1
=
3
1
.
The direction cosines of
q
are given by
l=
2
2
+2
2
+2
2
2
=
2
3
2
=
3
1
,m=
2
2
+2
2
+2
2
2
=
2
3
2
=
3
1
, and n=
2
2
+2
2
+2
2
2
=
2
3
2
=
3
1
write it in one line
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