## Algebra: A Combined Approach (4th Edition)

Step 1: $\frac{1}{x}+\frac{2}{x^{2}}$ Step 2: $\frac{1\times x}{x \times x}+\frac{2\times 1}{x^{2} \times 1}$ Step 3: $\frac{x}{x^{2}}+\frac{2}{x^{2}}$ Step 4: $\frac{x+2}{x^{2}}$ Step 5: Therefore the answer is option a