Showing posts from April, 2025

CSIR NET December 2024 Exam Update

NTA has released final answer key on its official website. You may check your score now by logging in into their website. …

Question 08 (Jacobi Iterative Method)

In Jacobi iteration method \(x^{(k+1)}=Hx^{(k)}+c\); \(k=0,1,2,...\), the matrix \(H\) and \(c\) are given by- (a) \(H=D^…

Question 07 (Cauchy Problem)

The solution of Cauchy problem \(xu_x+yu_y=0\) with initial data \(u(x,y)=x\) on \(x^2+y^2=1\) is- (a) Exist for all \(x\…

Question 05 (Imbedding of a Ring)

Which of the following is/are correct?  (a) Every ring without unity can be imbedded into a ring with unity. (b) Every int…

Question 02 ( Properties of a Field)

Which of the following is/are always correct? (a) If \((F,+,\cdot)\) if a field then \((F^*,\cdot)\) is a cyclic group. (b…

Question 01 (Metric Space)

Which of the following is/are metric on \(\mathbb{R}\)- (a) \( d(x,y)=|sin(x-y)|\)            (b) \(d(x,y)=|x|\)          …

Welcome to Dr. Math

Welcome to Dr. Math – Your Mathematics Learning Companion! We are excited to introduce this platform, created especially for…

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