Question

Me ajudem nesse subtração
3^4 - 3^-10

Answer 1

Resposta:

$\frac{3^{14}-1 }{3^{10} }$

Explicação passo a passo:

$3^{4} -3^{-10} \\\\3^{4} -\frac{1}{3^{10} } \\\\\frac{3^{4}.3^{10} }{3^{10} } -\frac{1}{3^{10} }\\\\\frac{3^{10+4} }{3^{10} } -\frac{1}{3^{10} }\\\\\frac{3^{14} }{3^{10} } -\frac{1}{3^{10} } \\\\\frac{3^{14}-1 }{3^{10} }$