(a+b)³=a³+3a²b+3ab²+b³ proof l why (a+b)³=a³+3a²b+3ab²+b³ l proof (a+b)³

[@HopNew-q9w]

Good

[@MoynulHoque-gc5qs]

Thanks

[@AllArtDesign1]

Very very good

[@MoynulHoque-gc5qs]

Thank you

[@NorthEastArtHouse]

So much useful

[@MoynulHoque-gc5qs]

Thanks