Sandbox Exam

Question 1: Prove that for all real values of $ x $, $ x^2 – 6x + 10 > 0 $. (3 marks)

Reveal Step 1 (M1 Mark)

$$(x – 3)^2 – 9 + 10$$

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Reveal Final Answer (A1 Mark)

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$$(x – 3)^2 + 1 > 0$$

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