13.5
2 times the Square root of 3 + 4
Square root (75) / square root (3) = 5
4^3√32-3^3√108+^3√256
√108 = √(36 X 3) = 6√3
3
81
√108 = √(36 X 3) = 6√3
1.5
1.3333
root 27 = root 9 x root 3 = 3 root 3. Dividing this by root 3 gives 3!
√108 = √(36 x 3) = √36 x √3 = 6√3