Question

(6^2)^-1 / (25^2)^-1 = 4/5 demuestre la igualdad

Answer 1

(6^2)^-1 / (25^2)^-1 = 4/5
36^-1 / 625^-1 = 4/5
(1/36) / (1/625) = 4/5
625/36 = 4/5
625 / 36 es diferente de 4/5      .:.No se cumple.