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Grade: 12th pass
        
If base is less than 0 then it function is which type??
Example:- (-8)^1/3
one year ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
3177 Points
							https://www.askiitians.com/forums/Discuss-with-colleagues-and-IITians/if-base-is-negative-then-it-function-is-which-type_228943.htm
						
one year ago
Aditya Gupta
1720 Points
							
this is an important ques. actually, if we define f(x)= a^x, such that a is less than zero, then f would neither be continuous nor differentiable. that is why no special name is given to such function. it is only when a is greater than zero that f becomes continuous and differentiable, and hence called exponential function. we can draw its graph too.
 f(x)= a^x, such that a is less than zero, is not continuous because when x= some fractional value like ½ , then the value of the function does not exist in real numbers.
one year ago
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