Question

Find the cube root of 216.

Answer 1

216 = 2 × 2 × 2 × 3 × 3 × 3

216 = (3 × 2) × (3 × 2) × (3 × 2) = (3 × 2)³ = 6³.

∴ `root(3)(216) = 6 "that is" (216)^(1/3) = 6.`