Make b b\,b the subject of the formula 1a=1b+1k\displaystyle \frac{1}{a} = \frac{1}{b} + \frac{1}{k}a1=b1+k1
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Markscheme
Rearranging Harder Formulae Questions
215 exam-style questions on Eduqas GCSE Maths Rearranging Harder Formulae. Each one has a worked solution and a mark scheme showing where the marks go.