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4.2 Expanding (a + bx)^n

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Question 1
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Work out the first four terms, in ascending powers of xxx, in the binomial expansion of 1(1+x)2\displaystyle \frac{1}{(1+x)^2}(1+x)21​

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4.2 Expanding (a + bx)^n Questions

  1. A Level
  2. /Maths
  3. /4.2 Expanding (a + bx)^n

99 exam-style questions on Edexcel A Level Maths 4.2 Expanding (a + bx)^n. Each one has a worked solution and a mark scheme showing where the marks go.

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