Answer:

2³

Step-by-step explanation:

if

[tex]a + 1 \div a = 2 \\ \\ a \div a = 1 \\ \\ \\ \\ {a}^{3 } + 1 \ \ \div {a}^{3} \: = \\ accraoding \: to \: previos \: defination \: \: \: \: \: \: \: \: \: \: \: \\ = \frac{ {2}^{3} }{1} = {2}^{3} [/tex]