Question 216252
absolute value of x squared minus 2 is less than 1 
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|x^2-2| < 1
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-1 < x^2 -2 < 1
Add 2 along the line to get:
1 < x^2 < 3
Take the square root along the line:
1 < x < sqrt(3)
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Cheers,
Stan H.