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 Best Answer
yes, option A and B are correct this is a statement of a theorem " columns of a orthogonal matrix form a orthogonal set as well as an orthonormal set of vectors. this orthonormal set can be find by " Gram Scithm orthogonalization process".