Question

Evaluate a³+a²b+ab²+b³ for (i)a=2, b=1
(ii)a= -1 ,b= 2 (iii)a= 0, b=3​

Answer 1

Answer:

1) 27

2) 1

3) 27

Step-by-step explanation:

(a+b)^3 = a^3+a^2b+ab^2+b^3

1) (a+b)^3

=(2+1)^3

= 3^3

=27

2) (-1+2)^3

=(1)^3

=1

3) (0+3)^3

= (3)^3

= 27