engineering mathematics MCQ #3677

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

engineering mathematics MCQ #3677

  1. Question 1

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

    • A) 2 / 3(x - 1) + 1 / 3(x + 2)
    • B) 2 / 3(x - 1) - 1 / 3(x + 2)
    • C) -2 / 3(x - 1) + 1 / 3(x + 2)
    • D) 1 / 3(x - 1) + 2 / 3(x + 2)

    Answer: 2 / 3(x - 1) + 1 / 3(x + 2)

    Explanation: Use cover-up method or equate coefficients to find A = 2/3 and B = 1/3.