Differentiability Piecewise Function (Jee Mains) | ExamDuo
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Continuity and Differentiability
Medium
Differentiability Piecewise Function
Let
f
(
x
)
=
{
|
4
x
2
−
8
x
+
5
∣
,
if
8
x
2
−
6
x
+
1
≥
0
[
4
x
2
−
8
x
+
5
]
,
if
8
x
2
−
6
x
+
1
<
0
,
where
[
α
]
denotes the greatest integer less than or equal to
α
. Then the number of points in
R
where
f
is not differentiable is
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