simplify sqrt(5)/(sqrt(6)-2)
Let's reduce: 56 -2
Multiply numerator and denominator by the conjugate 6 + 2: (a+b)(a-b) = a²-b², here (6)2 -22 = 6 -4 = 2
ⅰ 56 -2 = 5×(6 + 2)2
5×(6 + 2)2
▶Simplified form:   5×(2 + 6)2
The numeric value of: 5×(2 + 6)2 is:
≈ 2.2361×(2 + ≈ 2.4495)2
≈ 2.2361×≈ 4.44952
≈ 9.94942
▷ ≈ 4.9747