Answer:
9
Step-by-step explanation:
1.Solve the equation
a + 1/a = 3
a + 1 = 3a
2a = 1
a = 1/2
2. Replace 1/2 for a
1/2^3+1/1/2^3
1/8 + 1/1/8
1 1/8 divided by 1/8 = 9
