Question

(d) (a + b)(a2 - ab + b2)​

Answer 1

a−b)(a

2

+ab+b

2

)=a

3

−b

3

Formula:

(x−y)(x

2

+xy+y

2

)=x

3

−y

3

Answer 2

Step-by-step explanation:

${a}^{3} - {a}^{2} b + a {b}^{2} + {a}^{2} b - a {b}^{2} + {b}^{3} \\ {a}^{3} + {b}^{3}$

hope this helps you