engineering mathematics MCQ #3655

Resolve 3x / (x - 1)(x + 2) into partial fractions.

engineering mathematics MCQ #3655

  1. Question 1

    Q1. Resolve 3x / (x - 1)(x + 2) into partial fractions.

    • A) 1/(x - 1) + 2/(x + 2)
    • B) 1/(x - 1) - 2/(x + 2)
    • C) 2/(x - 1) + 1/(x + 2)
    • D) 2/(x - 1) - 1/(x + 2)

    Answer: 1/(x - 1) + 2/(x + 2)

    Explanation: Use partial fraction decomposition: 3x / (x - 1)(x + 2) = A/(x - 1) + B/(x + 2), then equate coefficients.