engineering mathematics MCQ #3675

Resolve 1 / (x³ + x) into partial fractions.

engineering mathematics MCQ #3675

  1. Question 1

    Q1. Resolve 1 / (x³ + x) into partial fractions.

    • A) 1 / x - (x + 1) / (x² + 1)
    • B) 1 / x - x / (x² + 1)
    • C) 1 / x + x / (x² + 1)
    • D) 1 / x + (x + 1) / (x² + 1)

    Answer: 1 / x - x / (x² + 1)

    Explanation: Factor x³ + x = x(x² + 1), then decompose into 1/x + Bx + C / (x² + 1).