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What binomial expansion means

What binomial expansion means

A binomial has two terms, such as 1+3x1+3x1+3x or 9+6x9+6x9+6x. Expanding a binomial means rewriting a power like (1+u)n(1+u)^n(1+u)n as a series in ascending powers of xxx, starting with the constant term.

Binomial Expansion Lesson

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

Step-by-step lessons covering Edexcel A Level Maths Binomial Expansion for A Level Maths. Each lesson breaks down 4.1 Expanding (1 + x)^n, 4.2 Expanding (a + bx)^n, and 4.3 Using Partial Fractions, then works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build fluency with the core pure algebra and calculus toolkit early, since almost every mechanics and statistics topic on the course depends on it.

Lessons