Question

without calculating actually the cubes 15³-4³-11³​

Answer 1

Step-by-step explanation:

We know that,

If (a+b+c)=0, then a

3

+b

3

+c

3

=3abc

Here, 28+(−15)+(−13)=0

∴(28)

3

+(−15)

3

+(−13)

3

=3(28)(−15)(−13)=16380