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Rearranging Harder Formulae

Rearranging Harder Formulae

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Question 52
a.

Show that bc=ac+abbc = ac + abbc=ac+ab

[1]
b.

Hence, make b b\,b the subject of the formula 1a=1b+1c\displaystyle \frac{1}{a} = \frac{1}{b} + \frac{1}{c}a1​=b1​+c1​

[3]
Markscheme

Rearranging Harder Formulae Questions

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

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.

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