Question

(a+b)²-1. Factorise this thing plz

Answer 1

a^2+b^2+2ab-1

and now no further factorisation can be done

Answer 2

${\red{hola!!}}$

Here is your answer:-

=(a+b)²-1
${\boxed{\green{\bold{Answer=a^2+b^2+2ab-1}}}}$