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OpenStudy (ericwise):
Permutations and combinations. How many different arrangements.
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OpenStudy (ericwise):
OpenStudy (anonymous):
\[\binom{5}{2}\]
OpenStudy (ericwise):
standby
OpenStudy (anonymous):
read "five choose two" sometimes written as \(_5C_2\) or even \(^5C_2\)
OpenStudy (ericwise):
oh, it's so simple. Thank you!
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OpenStudy (anonymous):
same as saying "pick two out of the five to be down"
OpenStudy (anonymous):
yw
OpenStudy (ericwise):
Wasn't sure if I had to do some funky FCP stuff
OpenStudy (anonymous):
nah
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