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Mathematics
Problem
If the vectors
6
i
^
−
2
j
^
+
3
k
^
6\hat{i} - 2\hat{j} + 3\hat{k}
6
i
^
−
2
j
^
+
3
k
^
,
2
i
^
+
3
j
^
−
6
k
^
2\hat{i} + 3\hat{j} - 6\hat{k}
2
i
^
+
3
j
^
−
6
k
^
and
3
i
^
+
6
j
^
−
2
k
^
3\hat{i} + 6\hat{j} - 2\hat{k}
3
i
^
+
6
j
^
−
2
k
^
form a triangle, then it is a. right angled b. obtuse angled c. equilateral d. isosceles
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