Repeated Integral					
				 
				
					
						
						 المؤلف:  
						Samko, S. G.; Kilbas, A. A.; and Marichev, O. I.					
					
						
						 المصدر:  
						Fractional Integrals and Derivatives. Yverdon, Switzerland: Gordon and Breach					
					
						
						 الجزء والصفحة:  
						...					
					
					
						
						25-8-2018
					
					
						
						1532					
				 
				
				
				
				
				
				
				
				
				
			 
			
			
				
				Repeated Integral
 
A repeated integral is an integral taken multiple times over a single variable (as distinguished from a multiple integral, which consists of a number of integrals taken with respect to different variables). The first fundamental theorem of calculus states that if 
 is the integral of 
, then
	
		
			  | 
			
			 (1) 
			 | 
		
	
Now, if 
, then
	
		
			  | 
			
			 (2) 
			 | 
		
	
It follows by induction that if 
, then the 
-fold integral of 
 is given by
Similarly, if 
, then
	
		
			  | 
			
			 (5) 
			 | 
		
	
 
REFERENCES:
Samko, S. G.; Kilbas, A. A.; and Marichev, O. I. Fractional Integrals and Derivatives. Yverdon, Switzerland: Gordon and Breach, p. 33, 1993.
				
				
					
					
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