Question

by using identity evalute 5³-8³+3³

Answer 1

sry I cnt do it.........

Answer 2

Answer:

Let a=−32,b=18,c=14

a+b+c=−32+18+14=0

As we know that

If a+b+c=0 then a

3

+b

3

+c

3

=3abc

So (−32)

3

+(18)

3

+(14)

3

=3(−32)(18)(14)=−24192