1.

The number of integral values of `x` satisfying the equation `|x-|x-4||=4` isA. `5`B. `7`C. `9`D. infinite

Answer» Correct Answer - D
`(d)` `f(x)=|x-|x-4||`
`={{:(2|x-2|,,,xlt4),(4,,,xge4):}`
For `|x-|x-4||=4`
`2|x-2|=4impliesx=0`,`4`
`:.` solution set is `{0}uu[4,oo)`.


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