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## 7 comments

## vikranth rana

it's gud but the whole lecture is waste if a student can't understand it properly you should explain some sample problems regarding it

## Ibrahim Umer

Are lecture notes available?

## Jyothi Lakshmi Krishnakumar

The second example shown in the lecture, is it a row-reduced echelon matrix?? ……because by the first property the first non-zero entry of each non-zero row must be one (here it is 5)……….please explain.

## Asha Chaudhary

ex2 of RRE: if we do e1: r2-> r2-r1. then will it become rre?

## chandra shekhar upadhyay

What is the difference between leading non zero row entry and non zero row entry

## himanshu sharma

RRE is nothing but lower triangle matrix. so much to explain such easy concept. i hate the way math is taught

## Kidekhau Dimag

Can sm1 tell why the summation has j=1 to n-r coz n-r are the zero rows of the matrix? I'm confused