engineering mathematics MCQ #3659

The value of B in 1 / (x - 1)²(x + 2) = A/(x - 1) + B/(x - 1)² + C/(x + 2) is

engineering mathematics MCQ #3659

  1. Question 1

    Q1. The value of B in 1 / (x - 1)²(x + 2) = A/(x - 1) + B/(x - 1)² + C/(x + 2) is

    • A) 1/3
    • B) 1/9
    • C) 1
    • D) 1/2

    Answer: 1/3

    Explanation: Clear fractions and substitute x = 1 to find B: 1 = B(1 + 2).