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The Binomial Expansion

The Binomial Expansion

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Question 3
a.

Find the first 3 terms, in ascending powers of xxx, of the binomial expansion of

(2+kx)7 (2 + kx)^7 (2+kx)7

where k k\,k is a constant. Give each term in its simplest form.

[4]
b.

Given that the coefficient of x2 x^2\,x2 is 6 times the coefficient of xxx, find the value of kkk.

[2]
Markscheme

The Binomial Expansion Questions

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

10 exam-style questions on Edexcel A Level Old Maths The Binomial Expansion. Each one has a worked solution and a mark scheme showing where the marks go.

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