Piecewise Function Continuity at Point (Jee Mains) | ExamDuo
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Continuity and Differentiability
Medium
Piecewise Function Continuity at Point
If the function
f
(
x
)
=
{
1
x
log
e
(
1
+
x
a
1
−
x
b
)
,
x
<
0
k
,
x
=
0
cos
2
x
−
sin
2
x
−
1
√
x
2
+
1
−
1
,
x
>
0
is continuous at
x
=
0
, then
1
a
+
1
b
+
4
k
is equal to
Ask about this question
SELECT ONE OPTION
A
-5
B
5
C
-4
D
4
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