Factor denominator: 2x² - x - 1 = (2x + 1)(x - 1). Write (2x+1)/[(2x+1)(x-1)] = 1/(x-1) for x ≠ -1/2. But careful: 2x+1 cancels, so it simplifies to 1/(x-1) with a hole at x = -1/2. For partial fractions, it's already simplified.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

• Joseph Soko – 101 pts

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