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Byju's Answer
Standard XII
Mathematics
Combination
1.C02+3.C12+5...
Question
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
.
A
True
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B
False
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Solution
The correct option is
A
True
Suggest Corrections
0
Similar questions
Q.
C
2
0
+
3.
C
2
1
+
5.
C
2
2
+
…
…
+
(
2
n
+
1
)
.
C
2
n
=
Q.
C
2
0
+
C
2
1
2
+
C
2
2
3
+
…
…
+
C
2
n
n
+
1
=
(
2
n
+
1
)
!
[
(
n
+
1
)
!
)
2
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
Q.
C
0
2
+
C
1
2
+
C
2
2
+
.
.
.
+
C
n
2
=
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
–
–
.
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