Rank of Rectangular Matrix - Part 3

On my student's request, I have made this video. With this video, you will succeed to calculate rank of matrix, if rectangular matrix is given in the problem.

[yaacoubamna]

thnk youuu much ! it's more easy when u explain it !!

[srinidhiprabhu]

Thank you sooo much sir :) u made it really a piece of cake for all :)

[MrAbhiramgs]

thank u very much sir.... really helpful .

[ions]

what if all submatrix are zero, will the rank be zero then?

[Farrisspoiler]

I personally dis agree by this method ! Taken correct rank of 4x4 matrix will be more complicated, svtution show us easy method i appreciate his work ! but dont satisified by his method !

[Syedasilalinaqvi]

You can teach better in URDU perhaps...

[srinidhiprabhu]

Thank you sooo much sir :) u made it really a piece of cake for all :)

[kishan]

how to calculate rank of a 4*4 matrix??