1.

The domain of the function f given by `f(x)=(x^(2)+2x+1)/(x^(2)-x-6)`A. `R-{3,-2}`B. `R-{-3,2}`C. `R-[-3,-2]`D. `R-[-3,-2]`

Answer» Correct Answer - A
We have, `f(x)=(x^(2)+2x+1)/(x^(2)-x-6)`
f(x) is defined , if `x^(2)-x6=0`
`rArr x^(2)-3x+2x-6=0`
`rArrx(x-3)+2(x-3)=0`
`rArr (x-3)(x+2)=0`
`:. x=-3,-2`
`:.` Domain of f=R-{3,-2}`


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