sixkg6
sixkg6 sixkg6
  • 15-09-2021
  • Mathematics
contestada

Quiz

Find the number of permutations of letters of the word
- Hello​

Respuesta :

Аноним Аноним
  • 15-09-2021

Answer:

• Since we've two like letters " l " and " l "

[tex] \hookrightarrow \: { \tt{ {}^{n}P _{r} = \frac{n !}{r!} }} \\ \\ \hookrightarrow \: { \tt{ \frac{5!}{2! \: 1!} = \frac{5 \times 4 \times 3 \times 2 \times 1}{(2 \times 1)} }} \\ \\ \dashrightarrow \: { \boxed{ \tt{ = 60 \: \: permutations \: \: }}}[/tex]

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