Solve the Equation $x ^ { 2 / 3 } - 2 x ^ { 1 / 3 } - 63 = 0$

question 94

Multiple Choice

Solve the equation $x ^ { 2 / 3 } - 2 x ^ { 1 / 3 } - 63 = 0$ . (Find all real and complex solutions.)

• A) 729
• B) \(343,729\)
• C) \(- 343 i , 729 i\)
• D) \(7 i , 9 i\)
• E) \(- 7,9\)