Respuesta:
ojala y te sirva
Explicación:
[tex] \frac{1}{r} = \frac{1}{10} + \frac{1}{2} + 1[/tex]
[tex] \frac{1}{r} = \frac{1 + 5 + 10}{10} [/tex]
[tex] \frac{1}{r} = \frac{16}{10} [/tex]
[tex]r = \frac{5}{8} k = 0.625k \: ohm = 625 \: ohm[/tex]
