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)
Satpal singh
the question is incomplete. there is no image of question. please attach the image and repost.
Actually my doubt is only about that particular statement as no proof is given in the material. The image consists of only that statement,so instead of uploading l have typed.
it is not necessarily true. infinity can be a singularity . for sinz infinity is a singular point but for sin(1/z) infinity is a regular point. please refer ponnusamy book for complex analysis.