1.

If a is an integer satisfying |a|≤4−|[x]|, where x is a real number for which 2xtan−1x is greater than or equal to ln(1+x2), then the number of maximum possible values of a is (are) (where [.] represents the greatest integer function)

Answer» If a is an integer satisfying |a|4|[x]|, where x is a real number for which 2xtan1x is greater than or equal to ln(1+x2), then the number of maximum possible values of a is (are)

(where [.] represents the greatest integer function)


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