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What is an easy way to remember the difference between nCr and nPr?
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What is an easy way to remember the difference between nCr and nPr?
asked
Sep 20, 2023
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What is an easy way to remember the difference between nCr and nPr?
Mathematics
high-school
ElHacker
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Compare and Contrast
What is an easy way to remember the difference between nCr and nPr?
nCr
is the
combination
while
nPr
is the
permutation
. The easy way to remember the difference between nCr and nPr is their
formula
. The formula for the
combination
is
n!/r! (n - r)!
while for the permutation is
n!/(n - r)!
.
Combination
is the arrangements of objects in which
order does not matter
.
Permutation
is the arrangements of objects in which
order matters
.
Wxndy~~
Kyle Humfeld
answered
Sep 26, 2023
by
Kyle Humfeld
7.3k
points
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