Grade 12Algebra
Numberof ways of selecting 3 out of the 8 stations such that no 2are consecutive
Numberof ways of selecting 3 out of the 8 stations such that no 2are consecutive
1 Answer
Arun
Dear student
think this in this way that
you have to pick two places between 7 spaces between 8 things.
which will be 7C2 = 21
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algebra
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