Category: 11 HL Homework

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Binomial Theorem

While I expect you would have copied this question down in class, here’s the question we were looking at on Thursday.

Find the coefficient of \(x^2\) in the expansion of

  1. \((2-x)(5x+3)^7\)
  2. \((2-x)^3(5x+3)^7\)

Answers can be checked using the CAS functionality of GeoGebra.

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The Binomial Theorem

Complete page 188–190 questions 3adf, 11, 12, 17, 18, 19 for tomorrow’s lesson. (Note that “term independent of x” is another way of referring to the constant term.)