Find the domain of the functions 1/(sqrt...

Find the domain of the functions
`1/(sqrt(x^2-4))`

Verified by Experts

`3x-7y^2+3xyz=3(2)-7(-4)^2+3(2)(-4)(1)`
`=6-7xx16-6xx4`
`=6-112-24`
`=6-136`
`=130`

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