Question

( begin{aligned} 2 sqrt{45+3 sqrt{20}} &=frac{2 times 3 sqrt{5}+3 times 2 sqrt{5}}{2 sqrt{5}} &=2 frac{sqrt{5}[3+3]}{2 sqrt{5}} &=6 end{aligned} )

# Write whicther NA on simplification gives a malional oran irrational number. Which of the fol

Solution