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Binomial Theorem
Binomial Theorem
Hard
Question
If 1 ≤ r n − 1 then
n-1
C
r
+
n-2
C
r
+ .....+
r
C
r
equals-
Options
A.
n
C
r
B.
n
C
r+1
C.
n+1
C
r
D.
None of these
Solution
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Binomial Theorem
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