From the DfE Mathematics AS and A-Level Content (LINK):  I1-01 Locating Roots: Introducing the Change of Sign Method I1-02 Locating Roots: The Change of Sign Method Example 1 I1-03 Locating Roots: The Change of Sign Method Example 2 I1-04 Locating Roots: Failure of the Change of Sign Method The Change of Sign Method Questions & Answers: |
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