simplify 1 / (27) raise to the power -1 / 3 + 1 / (625) raise to the power -1 / 4
1/(27)raise to the power-1/3 + 1/(625)raise to the power-1/4
or
(27)raise to the power 3 + (625) raise to the power 4
cube root 27 + fourth root 625
(3 raise to the power 3)raise to the power 3+ (5 raise to the power 4 ) raise to the power 4
3 + 5 = 8 ans tushar