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) 
		 
			 
			 
			 
			 
			 
			 
			 
			 
			 
 30 points
 30 points 
 
 
 
             
            

 
                
Anonymous User Best Answer
D(x²)=2x=0x²+0.1+2x D(1)=0=0x²+0.1+0x D(x)=1=0x²+1.1+0x matrix of coff and it's transpose B