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Binomial Expansion

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Question 70

The expansion of 1+3x3\sqrt[3]{1 + 3x}31+3x​ in ascending powers of x x\,x up to and including x3 x^3\,x3 is

1+x−x2+53x3. 1 + x - x^2 + \frac{5}{3}x^3. 1+x−x2+35​x3.

Use the expansion to find an approximation for 1.063\sqrt[3]{1.06}31.06​ to 5 decimal places.

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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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