X ^ 2 + 1 / X ^ 2 = 6 lalu temukan nilai X ^ 3-1 / X ^ 3 =?

Menjawab:

#1/6#

Penjelasan:

Mengingat -

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

# x ^ 3 / x ^ 2 = 6 #

# x ^ (3-2) = 6 #

# x = 6 #

Kemudian -

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