number ways of finding 4 lettet word from the word infinity sothat 3 are alike and one is different
nalinikumar , 6 Years ago
Grade 12th pass
Algebra> number ways of finding 4 lettet word from...
1 Answers
Arun
Last Activity: 6 Years ago
Dear Nalini
there is ony one way to select 3 alike letters i.e i
1 * 4 C1 * 4! / 3!
= 4 * 4 = 16
Regards
Arun
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