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Math Help - absolute value inequalities

  1. #1
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    absolute value inequalities

    Please check this work. Is there any restriction where i cannot use this method ? please give me example if there is restriction..thank you so much
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  2. #2
    Member rtblue's Avatar
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    Your work looks correct. No instances come to mind in which this method wouldn't be viable.
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  3. #3
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    Your first shortcut also works for \displaystyle \leq inequalities...
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  4. #4
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    thank you sir...
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