Week 04: Subspace: Definition, examples and related results.

Kolman B., Hill D. R., Introductory Linear Algebra, (Pearson/Prentice Hall 7th edition, 2001) (see attachment in lesson 1)

Page No. 244-246

Dar K. H, Linear Algebra, (1st edition, 2007).

Page No. 297-300

Click on the following link:

https://books.google.com.pk/books?id=RKh53-MRIuwC&lpg=PR11&dq=Introductory%20linear%20algebra%20eighth%20edition&pg=PR14#v=onepage&q=Introductory%20linear%20algebra%20eighth%20edition&f=false