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navaneel tayeng Grade: 12
        wat is the range of log(base 3){log(base 12)(x^2+4x+4)  
6 years ago

Answers : (1)

Rathod Shankar AskiitiansExpert-IITB
69 Points
										

we dont have negative value inside the log function for that  log(base 12)(x^2+4x+4)  
has to be greater than zero. but it has base 12 so
(x^2+4x+4) has to be greater than 12 for  log(base 12)(x^2+4x+4) >0


 


therefore      (x^2+4x+4) >12


 


x^2+4x-8 >0


(x-2)^2>0


 


this implies          domain is          x>2


Range is    {-R,R}


 


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6 years ago
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