If 64(8^x) = 1 then x=
Options
A) 2  B) – 1  C) 0  D) 1  E) - 2

Rationale: "8 ^ x = 1 / 64 8 ^ x = 1 / 8 ^ 2 8 ^ x = 8 ^ - 2 x = - 2 e"
Answer: E