help..................................

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Why is x more than and equal to 0 and not -x less than and equal to 0 instead? When (x approach 0- ) for lim | x | divide by x .... hope someone could answer this T.T


Feb 24th, 2015

When x approaches 0 from the left , say -0.001, or -0.000001 etc |x| = -x approaches 0

When x approaches 0 from the right , say 0.001, or 0.000001 etc |x| = x approaches 0


Feb 24th, 2015

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Feb 24th, 2015
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Feb 24th, 2015
Oct 21st, 2017
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