Question

$\frac{x^{-1}+1}{x}=?$

• A. x
• B. 1/x
• C. (1+x)/x^2
• D. 1

Answer 1

Answer:

C. (1+x)/x^2

$\frac{x^{-1}+1}{x}=\frac{{\frac1x}+1}x$

$=\frac{\frac{1+x}{x}}{x}$

$={\frac{1+x}{x}}\times{1/x}$

$=(1+x)/x^2$