Scalar Triple Product Local Maxima (Jee Mains) | ExamDuo
Ask Doubts
Log in
Scalar and Vector Triple Products
Hard
Scalar Triple Product Local Maxima
Let
x
0
be the point of local maxima of
f
(
x
)
=
→
a
.
(
→
b
×
→
c
)
,
where
→
a
=
x
^
i
−
2
^
j
+
3
^
k
,
→
b
=
−
2
^
i
+
x
^
j
−
^
k
and
→
c
=
7
^
i
−
2
^
j
+
x
^
k
.
Then the value of
→
a
.
→
b
+
→
b
.
→
c
+
→
c
.
→
a
at
x
=
x
0
is :
Ask about this question
SELECT ONE OPTION
A
-30
B
14
C
-4
D
-22
Check