Subring of a ring

[@mettapalliindrani9198]

Good explanation sir

[@seshu1616]

Good explanation sir.

[@markarok]

Thank you for your compliments

[@praveenyadavalli4421]

Wonderful explanation Sir

[@markarok]

Thank you for your compliments

[@udayakiran5450]

Good explanation sir

[@markarok]

Thank you for your compliments

[@dpc04yagnasundar81]

Good explanation sir

[@markarok]

Thank you for your compliments