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| 1. |
Let `f(x) = sqrt(log_(10)x^(2))`.Find the set of all values of x for which f (x) is real. |
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Answer» Correct Answer - `x le - 1 or x ge 1` `log_(10)x^(2) ge 0` ` rArr log_(10)x^(2) ge log_(10) 1` ` rArr x^(2) ge 1` ` rArr x ge 1` ` or x le -1`. |
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