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Binomial Expansion

Binomial Expansion

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Question 202

Use binomial expansion to show that 1+x1−3x≈1+2x+4x2\displaystyle \sqrt{\frac{1+x}{1-3x}} \approx 1 + 2x + 4x^21−3x1+x​​≈1+2x+4x2

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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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