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Byju's Answer
Standard XII
Mathematics
Binomial Coefficients
Coefficient o...
Question
Coefficient of
x
50
in
(
1
+
x
)
1001
−
x
1001
Open in App
Solution
(
1
+
x
)
1001
−
x
1001
=
1
+
1001
C
1
x
+
1001
C
2
x
2
+
.
.
.
.
.
.
.
.
.
.
.
+
1001
C
50
x
50
+
.
.
.
.
.
.
.
+
1001
C
1001
x
1001
−
x
1001
Hence the coefficient of
x
50
=
1001
C
50
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