X ^ 2 + 1 / X ^ 2 = 6 llavors trobeu el valor de X ^ 3-1 / X ^ 3 =?

Resposta:

#1/6#

Explicació:

Donat -

# (x ^ (2 + 1)) / x ^ 2 = 6 #

# x ^ 3 / x ^ 2 = 6 #

# x ^ (3-2) = 6 #

# x = 6 #

Llavors -

# x ^ (3-1) / x ^ 3 = x ^ 2 / x ^ 3 = 6 ^ 2/6 ^ 3 = 1/6 ^ (3-2) = 1/6 #