Verify that (45)−1=54\displaystyle \left(\frac{4}{5}\right)^{-1}=\frac{5}{4}(54)−1=45
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Markscheme
Fractional and Negative Indices Questions
352 exam-style questions on OCR GCSE Maths Fractional and Negative Indices. Each one has a worked solution and a mark scheme showing where the marks go.