Local Maxima Minima Cubic Function (Jee Mains) | ExamDuo
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Application of Derivates
Medium
Local Maxima Minima Cubic Function
If the function
f
(
x
)
=
2
x
3
−
9
ax
2
+
12
a
2
x
+
1
,
a
>
0
has a local maximum at
x
=
α
and a local minimum
x
=
α
2
, then
α
and
α
2
are the roots of the equation :
Ask about this question
SELECT ONE OPTION
A
x
2
−
6
x
+
8
=
0
B
8
x
2
+
6
x
−
8
=
0
C
8
x
2
−
6
x
+
1
=
0
D
x
2
+
6
x
+
8
=
0
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