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3.1 Algebra and functions (A-level only)

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Question 63

A student writes

4x2−5x(x+1)(x−2)2≡Ax+1+B(x−2)2\displaystyle \frac{4x^2-5x}{(x+1)(x-2)^2}\equiv\frac{A}{x+1}+\frac{B}{(x-2)^2}(x+1)(x−2)24x2−5x​≡x+1A​+(x−2)2B​.

Explain the error in the proposed form of the partial fractions.

[1]
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3.1 Algebra and functions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.1 Algebra and functions (A-level only)

281 exam-style questions on CCEA A Level Maths 3.1 Algebra and functions (A-level only), covering 3.1.1 Algebra and functions (A-level only), 3.1.2 Algebra and functions (A-level only), 3.1.3 Algebra and functions (A-level only), 3.1.4 Algebra and functions (A-level only), 3.1.5 Algebra and functions (A-level only), 3.1.6 Algebra and functions (A-level only), 3.1.7 Algebra and functions (A-level only), 3.1.8 Algebra and functions (A-level only), 3.1.9 Algebra and functions (A-level only), and 3.1 Algebra and functions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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