A student is trying to prove that 1 + x 2 2. The student writes: a. Identify
Question:
A student is trying to prove that 1 + x22. The student writes:
a. Identify the error made in the proof.
b. Provide a counter-example to show that the statement is not true.
Transcribed Image Text:
(1 + x)² = 1 + 2x + x². So 1 + x² < 1 + 2x + x².
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a Error in the proof The error in the students proof is in the step whe...View the full answer
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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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