Question

Q10. From the following, which are the factors of a

2+b−ab−a?

Answer 1

Answer:

-a + b - ab + 2 hope u understand this

Answer 2

Answer:

a

2

+b−ab−a

=a

2

−ab+b−a

=a(a−b)−1(a−b)

=(a−1)(a−b)