Question

помоги мне друг)))))))

Answer 1

а)12/(n+5),при n =1 и n=7
12/(1+5)=12/6=2
12/(7+5)=12/12=1
b)(n^2-13)/(n+5),при n=7
(7^2-13)/(7+5)=(49-13)/12=36/12=3