evaluate the expression:
(x+y)(x^2 - xy + y^2)
——————————
x^3 + y3
x=1, y=-2
Answers
Answered by
3
Step-by-step explanation:
(1+-2)(1^2- 1x-2+ - 2^2)
_________________
1^3+ - 2^3
-1 x 7/1-8
-7/-7
= 1
Similar questions