An expert is a man who has made all the mistakes, which can be made, in a very narrow field.
Niels Bohrmy math textbook is my role model. no matter how many problems it has it never sucide's.
prabhpreet singhM4Math helped me a lot.
Vipul Chavan 3 years agoThanks m4 maths for helping to get placed in several companies.
I must recommend this website for placement preparations.