[tex]\displaystyle \sf \frac{24}{5}=A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\ \frac{20}{5}+\frac{4}{5} = A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\ 4+\frac{1}{\displaystyle \frac{5}{4}} = A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\ 4+\frac{1}{\displaystyle \frac{4}{4}+\frac{1}{4}} = A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\ 4+\frac{1}{\displaystyle 1+\frac{1}{4}} = A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\[/tex]
[tex]\displaystyle \sf C+1 = 4 \to C = 3 \\\\ B = 1 \\\\ A = 4 \\\\\\ Da{\'i}}: \\\\ A+2B+3C = 4+2.1+3.3 \\\\ A+2B+3C = 4+2+9 \\\\\ \Large\boxed{\sf \ A+2B+3C = 15 \ }\checkmark[/tex]
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
[tex]\displaystyle \sf \frac{24}{5}=A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\ \frac{20}{5}+\frac{4}{5} = A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\ 4+\frac{1}{\displaystyle \frac{5}{4}} = A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\ 4+\frac{1}{\displaystyle \frac{4}{4}+\frac{1}{4}} = A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\ 4+\frac{1}{\displaystyle 1+\frac{1}{4}} = A+\frac{1}{\displaystyle B+\frac{1}{C+1}} \\\\\\[/tex]
[tex]\displaystyle \sf C+1 = 4 \to C = 3 \\\\ B = 1 \\\\ A = 4 \\\\\\ Da{\'i}}: \\\\ A+2B+3C = 4+2.1+3.3 \\\\ A+2B+3C = 4+2+9 \\\\\ \Large\boxed{\sf \ A+2B+3C = 15 \ }\checkmark[/tex]
letra c