Make b b\,b the subject of the formula ka=1b+1c\displaystyle \frac{k}{a} = \frac{1}{b} + \frac{1}{c}ak=b1+c1
[4]
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.