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Algebraic Methods

Algebraic Methods

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Question 210
i.

Use proof by contradiction to show that for all real values of xxx,

(x−6)2≥2x−46 (x - 6)^2 \geq 2x - 46 (x−6)2≥2x−46
[3]
ii.

Show that the following statement is untrue:

"2n+2n−12^n + 2n - 12n+2n−1 is a prime number for all values of n∈Z+n \in \mathbb{Z}^{+}n∈Z+."

[3]
Markscheme

Algebraic Methods Questions

  1. A Level
  2. /Maths
  3. /Algebraic Methods

368 exam-style questions on Edexcel A Level Maths Algebraic Methods, covering 1.1 Proof by Contradiction, 1.2 Algebraic Fractions, 1.3 Partial Fractions, 1.4 Repeated Factors, and 1.5 Algebraic Division. Each one has a worked solution and a mark scheme showing where the marks go.

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