Find the geometric mean between (x − 2)/(x + 1) and (x − 1)(x + 2).

University of Ilorin MTH101 2026-test past question

1. √[(x − 2)(x − 1)(x + 2)/(x + 1)]
2. √[(x + 2)(x − 1)/((x − 2)(x + 1))]
3. (x − 2)(x − 1)/[(x + 1)(x + 2)]
4. √[(x − 2)(x + 1)(x − 1)(x + 2)]

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