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1.1 Proof

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Question 34

It is given that f(x)=x3−4x2+x+6f(x) = x^3 - 4x^2 + x + 6f(x)=x3−4x2+x+6

One of the expressions below is a factor of f(x)f(x)f(x).

Identify this factor.

Circle your answer.

A

(x−1)(x - 1)(x−1)

B

(x−2)(x - 2)(x−2)

C

(x+2)(x + 2)(x+2)

D

(x−4)(x - 4)(x−4)

Markscheme

1.1 Proof Questions

  1. A Level
  2. /Maths
  3. /1.1 Proof

132 exam-style questions on OCR (MEI) A Level Maths 1.1 Proof, covering 1.1.1 Structure of mathematical proof, 1.1.2 Disproof by counter example, 1.1.3 Proof by contradiction (A-level only), and 1.1 Proof. Each one has a worked solution and a mark scheme showing where the marks go.

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