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Mathematics
Problem
The sum of the distinct real values of
μ
\mu
μ
, for which the vectors,
μ
i
^
+
j
^
+
k
^
\mu\hat{i} + \hat{j} + \hat{k}
μ
i
^
+
j
^
+
k
^
,
i
^
+
μ
j
^
+
k
^
\hat{i} + \mu\hat{j} + \hat{k}
i
^
+
μ
j
^
+
k
^
,
i
^
+
j
^
+
μ
k
^
\hat{i} + \hat{j} + \mu\hat{k}
i
^
+
j
^
+
μ
k
^
are co-planar, is: [JEE-MAIN ONLINE-2019] (1) 2 (2) 0 (3) -1 (4) 1
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