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What the binomial expansion is

What the binomial expansion is

Pascal's triangle up to row 6 with row 5 highlighted and arrows showing powers of a decrease while powers of b increase A binomial is an expression with two terms, such as a+ba+ba+b or 2−5x2-5x2−5x. Expanding a binomial means multiplying it out and collecting like terms.

The Binomial Expansion Lesson

  1. AS Level
  2. /Maths
  3. /The Binomial Expansion

Step-by-step lessons covering Edexcel AS Level Maths The Binomial Expansion for AS Level Maths. Each lesson breaks down 8.1 Pascal's Triangle, 8.2 Factorial Notation, 8.3 The Binomial Expansion, 8.4 Solving Binomial Problems, and 8.5 Binomial Estimation, then works through exam-style questions in Paper 1 and Paper 2 format. Build fluency in the core algebra, surds and trigonometry topics early, since they underpin the calculus, statistics and mechanics content that follows.

Lessons