दो चरों वाले रैखिक समीकरण अध्याय की भूमिका।

[@ffristarvv]

Sir bahut acche se samajh me aaya thank u so much sir ❤😊❤

[@ffristarvv]

Thank u so much sir ❤❤❤😊😊

[@satendramalan]

Khushi hui ki aapko video pasand aaya.

[@ffristarvv]

G sir ❤❤ aapki saari video acchi hai ❤❤