Dear teacher: your channel is one of my favorites and your techniks and tricks are both extraordinary good. Is it possible for you to account for this pattern?. I' d like to get to know how it is that this trick works. In any case thank you very much for the effort you've been making for us.
You are such a good teacher! Congratulations!
Excellent sir
What a mental memory powerWah!.super Master.Teacher's Day Respects to YOU Sir.
You are a latest Indian calculator sir.Thank you for your shortcuts.
The method is really amazing.
Super Computer Suresh Agarwal Guru.thank you sir.
(ab)^2=a^2+ab+b^2
Dear teacher: your channel is one of my favorites and your techniks and tricks are both extraordinary good. Is it possible for you to account for this pattern?. I' d like to get to know how it is that this trick works. In any case thank you very much for the effort you've been making for us.
Is it short ? It is another nice way of finding square of a four digit number.