The partial fraction decomposition of (x + 3) / (x² + 2x + 1) is
Q1. The partial fraction decomposition of (x + 3) / (x² + 2x + 1) is
Answer: 2 / (x + 1) + 1 / (x + 1)²
Explanation: Factor denominator as (x + 1)², then decompose into A / (x + 1) + B / (x + 1)².