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Let f(x) = sqrt(log(10)x^(2)).Find the s...

Let `f(x) = sqrt(log_(10)x^(2))`.Find the set of all values of x for which f (x) is real.

Text Solution

Verified by Experts

The correct Answer is:
`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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