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Binomial Expansion

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Question 74

The function f(x)f(x)f(x) is given by f(x)=1−3xf(x) = \sqrt{1 - 3x}f(x)=1−3x​, so that a=−3a=-3a=−3.

Using this value of aaa, state the set of values for which the binomial expansion is valid.

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Markscheme

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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