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Clavis TMUA Set B Paper 2 · Q3

Paper 2Logic & proof

Consider the following claim:

For all real numbers xx, if x2>xx^2>x then x>1x>1.

Which of the following is/are a counterexample to the claim?

  • I x=−2x=-2
  • II x=12x=\frac12
  • III x=2x=2
Anone of them
BI only
CII only
DIII only
EI and II only
FI and III only
GII and III only
HI, II and III

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