SubArea: Powers and roots of complex numbersLevel: BProject ID: 1003109302Accepted: 1Clonable: 0Easy: 1Consider the equation \( x^4 - 81 = 0 \). Find the product of all its roots in the set of complex numbers.\( -81 \)\( 81 \)\( -3 \)\( 3 \)\( 0 \)
