Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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#2 2005-11-20 02:54:16
- kylekatarn
- Power Member
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Re: Could someone help me please? :-)
Let a ∈ ℝ. Accoding to you condition, |a|<0, we can build the set:
A = {a ∈ ℝ : |a|<0}
From the definition of absolute value, we conclude that A = ∅. So with |a|<0...."there's nothing left to prove". : )
#4 2005-11-20 07:36:43
- kylekatarn
- Power Member
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Re: Could someone help me please? :-)
He hasn't complained yet 