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Byju's Answer
Standard XII
Mathematics
Property 3
limx→ 0a sin ...
Question
lim
x
→
0
a
sin
x
−
b
x
+
c
x
2
+
x
3
2
x
2
log
(
1
+
x
)
−
2
x
3
+
x
4
exists and is finite, then
A
a
=
b
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B
c
=
0
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C
a
=
6
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D
c
=
2
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Solution
The correct options are
A
a
=
b
B
c
=
0
C
a
=
6
lim
x
→
0
a
(
x
−
x
3
6
+
x
5
120
−
.
.
.
.
)
−
b
x
+
c
x
2
+
x
3
2
x
2
(
x
−
x
2
2
+
x
3
3
−
.
.
.
.
.
.
.
.
.
)
−
2
x
3
+
x
4
=
lim
x
→
0
(
a
−
b
)
x
+
c
x
2
+
(
1
−
a
/
6
)
x
3
+
a
x
5
/
120
+
.
.
.
2
x
5
/
3
−
x
6
/
2
+
.
.
.
For this limit to exist we must have
a
−
b
=
0
,
c
=
0
, and
1
−
a
/
6
=
0
, that is,
a
=
b
=
6
and
c
=
0.
Suggest Corrections
0
Similar questions
Q.
If
lim
x
→
0
a
sin
x
−
b
x
+
c
x
2
+
x
3
2
x
2
log
(
1
+
x
)
−
2
x
3
+
x
4
exists and is finite, then
Q.
if
lim
x
→
0
a
sin
x
−
b
x
+
c
x
2
+
x
3
2
x
2
log
(
1
+
x
)
−
2
x
3
+
x
4
exists and is finite, then
Q.
Solve
lim
x
→
0
a
sin
x
−
b
x
+
c
x
2
+
x
3
2
x
2
log
(
1
+
x
)
−
2
x
3
+
x
4
, if it exists and is finite, also find
a
,
b
,
c
.
Q.
If
lim
x
→
0
a
sin
x
−
b
x
+
c
x
2
+
x
3
2
x
2
log
(
1
+
x
)
−
2
x
3
+
x
4
=
I
and
I
is finite, then
Q.
If
lim
x
→
∞
{
(
√
x
4
+
a
x
3
+
3
x
2
+
b
x
+
2
−
√
x
4
+
2
x
3
−
c
x
2
+
2
x
−
d
)
}
is finite,
then the value of
a
is?
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