Triangle Area Vector Dot Product (Jee Mains) | ExamDuo
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Scalar and Vector Products
Medium
Triangle Area Vector Dot Product
Let for a triangle
ABC
,
→
AB
=
−
2
^
i
+
^
j
+
3
^
k
→
CB
=
α
^
i
+
β
^
j
+
γ
^
k
→
CA
=
4
^
i
+
3
^
j
+
δ
^
k
If
δ
>
0
and the area of the triangle
ABC
is
5
√
6
, then
→
CB
⋅
→
CA
is equal to
Ask about this question
SELECT ONE OPTION
A
108
B
60
C
54
D
120
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