Mohon bantuannya dong kaka

1. y = 5x²
y' = 10x

2. y = 2/x⁴
y = 2.x^-4
y' = -8x^-5
y' = -8/x^5

3. y = 4x√x
y= 4x^3/2
y' = 6x^1/2
y' = 6√x

4. y = 3/√x
y = 3.x^-1/2
y' = -3/2 x^-3/2
y' = -3/2x√x