1.

If the point (a, a) lies between the lines |x + y| = 2, then which one of the following is correct?

A. |a| < 2
B. |a| < √2
C. |a| < 1
D. \(\left| {\rm{a}} \right| < \frac{1}{{\sqrt 2 }}\)
Answer» D. \(\left| {\rm{a}} \right| < \frac{1}{{\sqrt 2 }}\)


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