Question

The factorisation of ab – a – b + 1 is ______​

Answer 1

Answer:

the results is an fbox complicated surgery done by kvn murthy by a surgical strike used

$\mathbb{ E = M{C}^{2} }$

named as operation pubg

Answer 2

Answer:

Factorisation :-

ab - a - b + 1

= a(b - 1) - 1(b - 1)

= (a - 1) (b - 1)