(1-а/729)*(1-а/729)*(1-а/729)*(1-а/729)*(1-а/729)*(1-а/729)=64

Question

(1-а/729)*(1-а/729)*(1-а/729)*(1-а/729)*(1-а/729)*(1-а/729)=64

Answer 1

( (1-а)/729)^6=2^6
(1-а)/729 =2
1-а=2*729
1-а=1458
а=1 - 1458
а= - 1457

1458/729=2
2^6=2^6