Find the domain of f(x)=\dfrac {(3x-6)}{({x}^{2}+2x-8)} | Filo
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Class 11

Math

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Relations and Functions II

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Find the domain of

Correct Answer: Option(b)
Solution: Domain of a function are the values which u can plug into a function, so that u get a viable answer (the answer isn't infinity or a sqrt of a negative number etc..) 
in this function u can plug in all values of except when  
 
   that is 
and 
and 
because when we put and , the denominator of the given function will be , which is not defined (infinity). so domain is 

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