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Question
Mathematics
The sum of the coefficients in the expansion of (1 - x )10 is
Q. The sum of the coefficients in the expansion of
(
1
−
x
)
10
is
2383
200
Binomial Theorem
Report Error
A
0
41%
B
1
15%
C
1
0
2
13%
D
1024
30%
Solution:
(
1
−
x
)
10
=
1
−
10
C
1
x
+
10
C
2
x
2
−
10
C
3
x
3
+
...
...
+
10
C
10
x
10
∴
Sum of coefficients
=
1
−
10
C
1
+
10
C
2
−
10
C
3
+
...
+
10
C
10
=
0