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Mathematics
Problem
Find the value of
λ
\lambda
λ
for which the vectors
(
2
i
^
+
λ
j
^
+
3
k
^
)
(2\hat{i} + \lambda\hat{j} + 3\hat{k})
(
2
i
^
+
λ
j
^
+
3
k
^
)
and
(
3
i
^
+
2
j
^
−
4
k
^
)
(3\hat{i} + 2\hat{j} - 4\hat{k})
(
3
i
^
+
2
j
^
−
4
k
^
)
are perpendicular to each other. [CBSE 2010]
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