Question

13. Without actually calculating the cubes, find the value
of each of the following:
(i) (-12)3 + (7)3 + (5)3
(ii) (28)3 + (-15)3 + (-13)3​

Answer 1

Answer:

$- 36 + 21 + 15 = 0 \\ 84 + ( - 45) - 39 = 0$