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Let f : (2, ∞) → N be defined by f (x) = the largest prime factor of [x]. Then 


 8


∫     equals to-?     


 2  



 


Ans. 22

7 years ago

Answers : (1)

Sher Mohammad
IIT Delhi
askIITians Faculty
174 Points
							Not including the lower limit in answer, we have to check largest prime factor of 3,4,5,6,7,8

Thanks & Regards
Sher Mohammad,
askIITians Faculty
B.Tech.
IIT Delhi.

5 years ago
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