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Binomial Expansion

Binomial Expansion

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Question 219

Verify that 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​ are 1−2x+3x2−4x31 - 2x + 3x^2 - 4x^31−2x+3x2−4x3

[3]
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Binomial Expansion Questions

  1. A Level
  2. /Maths
  3. /Binomial Expansion

408 exam-style questions on Edexcel A Level Maths Binomial Expansion, covering 4.1 Expanding (1 + x)^n, 4.2 Expanding (a + bx)^n, and 4.3 Using Partial Fractions. Each one has a worked solution and a mark scheme showing where the marks go.

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