1.

Solve `|x|gt4, " when "x inR`.

Answer» Correct Answer - `x in (-oo,-4)uu(4,oo)`
Using `|x|gta iff x. lt-aorxgta`, we get
`|x|gt4 iffxlt-4orxgt4`
`iff x in(-oo,-4)uu(4,00)`.


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