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  • 06-03-2024
  • Mathematics
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Find the exponential generating function for ( aᵣ ), the number of ( r )−letter words with no vowel used more than once. (Consonants can be repeated)

A) ( e²ˣ )
B) ( e³ˣ )
C) ( e⁴ˣ )
D) ( e⁵ˣ )

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