Question

ما هي الجبر الخطي ؟

Answer 1

الجبر الخطي هو فرع من الرياضيات المساحات ناقلات تتعلق، في كثير من الأحيان أو لانهائية محدودة الأبعاد، وكذلك تعيينات بين خطي موقعا من هذا النوع
You asked what is linear algebra, linear algebra is the branch of mathematics concerning vector spaces, often finite or countably infinite dimensional, as well as linear mappings between such spaces. By the way asking questions in English helps you to get answers extremely faster.

Answer 2

you can solve linear set of systems as Ax=0 or Ax=b
and you understand every thing about R^n (or F^n) space like vector measure and so on.
for example you can see a vector, but we can not illustration b vector