 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2025/ia/paper-1/11e/a/solution

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

Differentiability at

x

means that the limit

f' (x) = lim_{h \to 0} \frac{f ( x + h ) - f ( x )}{h}

exists as a finite real number.

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