Correct Answer: Option A

Explanation

\(\frac{3}{x^2 + x - 2}\) = \(\frac{3}{(x - 1)(x + 2)}\)

\(\frac{A}{x - 1}\) + \(\frac{B}{x + 2}\)

A(x + 2) + B(x - 1) = 3

when x = 1, 3A = 3 \(\to\) a = 1

when x = -2, -3B = 3 \(\to\) B = -1

= \(\frac{1}{x - 1} - \frac{1}{x + 2}\)

• What are the male and female reproductive hormones in animals? Answer this

  2 Answers   ·   Agricultural Science   ·   8 hours ago
• What is the meaning of agricultural sciences? Answer this

  2 Answers   ·   Agricultural Science   ·   3 days ago
• Does WAEC give Calculator to student for there exam? Answer this

  2 Answers   ·   Mathematics   ·   2 days ago