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)
Sonu saini
see this attachment
Nahi samaj Aaya ...😶
My doubt is that ....1 step --- l= cos alpha , m=beta ,n=gamma .
since it's a definition of direction cosine .......