tolong jawab pakai cara, soal no 3 a dan b

3.a)
(⁴√5^3)² = (5¾)²
= 5^3/2
= ²√5³

3.b)
(-2 ⁴√3x)^-3 = (-2 × 3x^¼)^-3
= (-6x^¼)^-3
= -6x^-¾
= ⁴√6x³