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Guichard-Combinatorics-Graph-Theory
· Problem 1.3.2
Fundamentals
Mathematics — Probability · binomial-coefficients
Problem
Prove by induction that
∑
k
=
0
n
(
k
i
)
=
(
n
+
1
i
+
1
)
\sum_{k=0}^{n} \binom{k}{i} = \binom{n+1}{i+1}
∑
k
=
0
n
(
i
k
)
=
(
i
+
1
n
+
1
)
for
n
≥
0
n \geq 0
n
≥
0
and
i
≥
0
i \geq 0
i
≥
0
.
Related theory
General Term And Binomial Coefficients
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