Question

Which of the following is an irrational number? *
2 points
√2/√8
√3/3√5
√5/√20
√63/√7​

Answer 1

Answer:

root2/root8=root2/2×root2=1/2=0.5

root3/3root5=1.29

root5/root20=root5/2×root5=1/2=0.5

root63/root7=3×root7/root7=3