Polynomial Coefficients Sum (Jee Mains) | ExamDuo
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Terms of Binomial Expansion
Medium
Polynomial Coefficients Sum
Let (1 +
x
+
x
2
)
10
=
a
0
+
a
1
x
+
a
2
x
2
+....+
a
20
x
20
. If (
a
1
+
a
3
+
a
5
+ ....+
a
19
) – 11a
2
= 121k, then k is equal to_____.
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