ecolifesfsu7983 ecolifesfsu7983 06-03-2024 Mathematics contestada 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 )