2 root 5 value July 8, 2019 16 32 64 128 2 under root 5 value 2 root 5 ki value Root 2 3 5 values 2 root 5 whole square value Root 2 3 4 5 value Root 2 3 5 7 values If x =( 2 root 5 find the value of 2-root 5 √ 5 2 2=5 proof