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Rearranging Harder Formulae

Rearranging Harder Formulae

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Question 106

Show that the formula 1a=1b+1c\displaystyle \frac{1}{a} = \frac{1}{b} + \frac{1}{c}a1​=b1​+c1​ can be rearranged to give b=acc−a\displaystyle b = \frac{ac}{c-a}b=c−aac​

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Rearranging Harder Formulae Questions

  1. GCSE
  2. /Maths
  3. /Rearranging Harder Formulae

215 exam-style questions on OCR GCSE Maths Rearranging Harder Formulae. Each one has a worked solution and a mark scheme showing where the marks go.

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