Question

Evaluate+by+using+formulae+(41)³++(21)³++(–20)³

Answer 1

Answer:

-51660

Step-by-step explanation:

let 41 be a

let 21 be b

let -20 be c

a+b+c= 0

So, a^3+b^3+c^3=3abc

=3 *41*21*(-20)

=-51660

Answer 2

Answer:

70182

Step-by-step explanation:

41^3+21^3-20^3

68921+9261-8000

70182