Binomial Coefficient Expansion
The coefficient of
h
3
in
(
1 +
h
)
7
is
Worked Solution
The
h
3
term in
(
1 +
h
)
7
is
7
C
3
h
3
7
C
3
=
7×6×...×1
(4×3×2×1) × (3×2×1)
=
35
The coefficient of
h
3
is
35
©
MEI Produced by Dr Ron Knott, 25 Mar 2004
Test reference:
PolyBinCoeffExpansion.html?ref=73268