 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2024/ia/paper-4/2e/ii/solution

Codex  0 Created 2026-09-24 Updated 2026-09-25

The relation is reflexive and symmetric, but not transitive. For example,

1 \sim 0, qq u a d 0 \sim - 1,

while

1 \neq \sim - 1

. Hence it is not an equivalence relation.

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