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prateek ram Grade: 12
              f(X)=limit m tending to infinity limit n tending to infinity cosine to the power 2m (n factorial pi X). find the range of f(X). 
7 years ago

Answers : (1)

Askiitians Expert Soumyajit IIT-Kharagpur
28 Points
										

Dear Prateek Ram.


Ans:- cosine to the power 2m (n factorial pi x)


where both m and n tends to infinity.


=[cos^m(n! ∏x)]²


now  -1<cosθ<1


or 0<cos²θ<1    


hence the range is R € [0,1]   


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Regards,


Askiitians Experts
Soumyajit Das IIT Kharagpur

7 years ago
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