Prove that LHS=RHS (a-b) ³=a³-b³-3a²b+3ab²
Answers
Answered by
2
hi friend,
===============================
(a-b) ³= (a-b)(a-b)(a-b)
=(a²+b²-2ab)(a-b)
=a³+ab²-2a²b-a²b-b³+2ab²
=a³-b³+3ab²-3a²b
hence proved ..
==============================
I hope this will help u :)
===============================
(a-b) ³= (a-b)(a-b)(a-b)
=(a²+b²-2ab)(a-b)
=a³+ab²-2a²b-a²b-b³+2ab²
=a³-b³+3ab²-3a²b
hence proved ..
==============================
I hope this will help u :)
Similar questions