Question

na P.A (9.14 19...) qual o valor sexagesimo termo ?

Answer 1

$\large\boxed{\begin{array}{l}\sf r=14-9=5\\\sf a_{60}=a_3+57r\\\sf a_{60}=19+57\cdot5\\\sf a_{60}=19+285\\\sf a_{60}=304\end{array}}$

Answer 2

Resposta:

O valor sexagésimo termo  é 304

Explicação passo a passo:

$a_n=a_{60}=?\\ a_1=99\\ n=60\\ r=14-9=5\\ \\ Termo~~geral\\ \\ a_n=a_1+(n-1)r\\ \\ \\ a_{60}=9+(60-1)(5)\\ \\ a_{60}=9+(59)(5)\\ \\ a_{60}=9+295\\ \\\fbox{ a_{60}=304 }$