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Byju's Answer
Standard XII
Mathematics
Greatest Binomial Coefficients
C 0 2 + C ...
Question
C
2
0
+
C
2
1
2
+
C
2
2
3
+
…
…
+
C
2
n
n
+
1
=
(
2
n
+
1
)
!
[
(
n
+
1
)
!
)
2
A
True
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B
False
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Solution
The correct option is
A
True
∑
m
r
=
0
n
c
m
r
c
r
a
+
1
=
∑
m
r
=
0
n
r
r
n
C
r
(
n
+
1
)
(
n
+
1
)
(
n
+
1
)
∑
m
r
=
0
m
n
+
1
(
n
C
n
+
1
n
+
1
n
C
r
=
n
r
n
−
1
C
r
+
1
2
n
+
1
C
m
+
1
n
+
1
⇒
(
2
n
+
1
)
!
m
!
(
n
+
1
)
!
(
n
+
1
)
(
2
n
+
1
)
!
[
(
n
+
1
)
!
]
2
Suggest Corrections
0
Similar questions
Q.
C
2
0
+
3.
C
2
1
+
5.
C
2
2
+
…
…
+
(
2
n
+
1
)
.
C
2
n
=
Q.
1.
C
0
2
+
3.
C
1
2
+
5.
C
2
2
+
.
.
.
+
(
2
n
+
1
)
.
C
n
2
=
2
n
.
2
n
−
1
C
n
+
2
n
C
n
.
Q.
If
c
0
,
c
1
,
c
2
,
.
.
.
.
.
.
.
c
n
denote the coefficients in the expansion of
(
1
+
x
)
n
, prove that
c
0
2
+
c
1
2
+
c
2
2
+
.
.
.
.
c
n
2
=
|
2
n
–
–
–
|
n
–
–
|
n
–
–
.
Q.
If
n
=
11
then
C
2
0
−
C
2
1
+
C
2
2
−
C
2
3
+
.
.
.
.
+
(
−
1
)
n
C
2
n
equals
Q.
A.
2
n
C
n
=
C
2
0
+
C
2
1
+
C
2
2
+
C
2
3
+
…
⋯
+
C
2
n
B.
2
n
C
n
=
term independent of
x
in
(
1
+
x
)
n
(
1
+
1
x
)
n
C.
2
n
C
n
=
1.3.5.7
…
…
(
2
n
−
1
)
n
!
then
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