Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
		
			
			
			
			
			
			
			
			
			
>
	
			
				
>
	
				
            
            

                
Alka gupta
you can not put the value of r....see the reason
then can we do integration wrt theta first and then wrt r??
depands on limits......see