simplify 1/(sqrt(12))
Let's simplify: 112
ⓘ We look for the largest square dividing 12, 4 = 22, and take it out of the root: 12 = 4×3 = 4×3 = 2×3
12×3
By convention, we prefer numerical square roots in the numerator:
ⅰ 12×3 = 33×2
33×2
ⅰ 3×2 = 6
▶Simplified form:   36
The numeric value of: 36 equals:
≈ 1.73216
▷ ≈ 0.2887