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Byju's Answer
Standard XII
Mathematics
Sum of Coefficients of All Terms
10C0 2- 10C12...
Question
10
C
2
0
−
10
C
2
1
+
10
C
2
2
−
.
.
.
.
.
.
.
−
(
10
C
9
)
+
(
10
C
10
)
2
=
A
0
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B
(
10
C
5
)
2
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C
−
10
C
5
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D
2
10
C
5
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Solution
The correct option is
D
−
10
C
5
10
C
2
0
−
10
C
2
1
+
10
C
2
2
−
.
.
.
.
.
.
.
10
C
10
10
C
10
(
1
+
n
)
10
=
10
C
0
+
10
C
1
n
+
10
C
2
n
2
.
.
.
.
(
1
−
n
)
10
=
10
C
0
+
10
C
1
n
+
10
C
2
n
2
.
.
.
.
(
1
+
n
)
10
(
1
−
n
)
10
=
coeffi. of
n
10
coeff of
n
10
=
(
1
−
n
2
)
10
=
10
C
5
(
−
1
)
5
=
−
10
C
5
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1
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