If [(x + 1)/x] = 2, then find the value of \(\left( {\frac{{{x^3}\; + \;1}}{{{x^3}}}} \right) \div \left( {\frac{{{x^{18}}\; + \;1}}{{{x^{18}}}}} \right)\)

• A. 2/9
• B. 5
• C. 1
• D. 1/9