Find the domain of `sec^(-1)(3x-1)` (ii) `sec^(-1)x-tan^(-1)x`

Explanation

`3x−1<−1` and `3x−1>=1`


`3x<−1+1` and `3x>=1+1`


`3x<0` and `3x>=2`


`x<0` and `x>= 2/3
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