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How many combinations without repetition are possible if n = 6 and r = 3? 56 20 27 18
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May 13, 2023
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How many combinations without repetition are possible if n = 6 and r = 3? 56 20 27 18
Mathematics
high-school
Jonathan Ivgi
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Answer:18
Explanation:
n+r=9
n×r=27
r²=9
n²=36
n+n=12
r+n=9
r+r=6
Miboper
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May 19, 2023
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Miboper
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