1.

Solve: `(x-3)/(x+4)gt0,x in R`

Answer» Correct Answer - `(-oo,-4)uu(3,oo)`
`(x-3ltandx+4lt0)or(x-3gt0andx+4gt0)`
`rArr(xlt3 andxlt-4)or(xgt3andxgt-4)`
`rArr (xlt-4) or (xgt3) rArr x in(-oo,-4) uu(3,oo)`.


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