Question

(V) 27p
216
pot
2.
tal
9. Verify: (i) x + y = (x + y) (x2 - xy + y²)​

Answer 1

Step-by-step explanation:

RHS

= (x + y) (x2 - xy + y²)

= x(x2 - xy + y²) + y(x2 - xy + y²)

=x^3-x^2y+xy^2 + x^2y-xy^2+y^3

=x^3 + y^3

hence verified