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Byju's Answer
Standard XII
Mathematics
Integration
Is C1/1-C2/...
Question
Is
C
1
1
−
C
2
2
+
C
3
3
C
4
4
+
.
.
.
+
(
−
1
)
n
−
1
.
C
n
n
=
1
+
1
2
+
1
3
+
1
4
+
.
.
.
+
1
n
?
A
True
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B
False
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Solution
The correct option is
A
True
(
1
+
x
)
n
=
n
C
0
+
n
C
1
x
+
…
+
n
(
C
n
x
n
)
Integrate both sides
(
1
+
x
)
n
+
1
n
+
1
=
n
C
o
x
+
n
C
1
x
2
2
+
…
+
n
C
n
x
n
+
1
n
+
1
Now put
x
from -1 to 0 (limits)
1
n
+
1
=
c
0
−
C
1
2
+
C
2
3
−
…
+
(
−
1
)
n
C
n
n
1
n
+
1
⇒
1
+
1
2
+
1
3
+
…
+
1
n
Suggest Corrections
0
Similar questions
Q.
C
1
1
−
C
2
2
+
C
3
3
−
C
4
4
+
.
.
.
.
.
+
(
−
1
)
n
−
1
n
C
n
=
1
+
1
2
+
1
3
+
.
.
.
.
.
+
1
n
.
Q.
Prove that
C
0
+
C
1
2
+
C
2
3
+
C
3
4
+
.
.
.
.
+
C
n
n
+
1
=
2
n
+
1
−
1
(
n
+
1
)
Q.
Prove that
C
1
1
−
C
2
2
+
C
3
3
−
C
4
4
+
.
.
.
.
.
+
(
−
1
)
n
−
1
n
C
n
=
1
+
1
2
+
1
3
+
.
.
.
.
.
+
1
n
.
Q.
C
0
+
3
2
.
C
1
+
C
2
+
27
4
.
C
3
+
+
3
n
n
+
1
.
C
n
=
4
n
+
1
+
1
3
(
n
+
1
)
Q.
If
c
0
,
c
1
,
c
2
,
.
.
.
.
.
.
c
n
are the coefficients in the expansion
(
1
+
x
)
n
,
where
n
is a positive integer, shew that
c
1
−
c
2
2
+
c
3
3
−
.
.
.
.
.
.
+
(
−
1
)
n
−
1
c
n
n
=
1
+
1
2
+
1
3
+
.
.
.
.
1
n
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