5 root 21 July 8, 2019 16 32 64 128 5 root 216 5 root 21 2 5 root 21 squared 5 square root 21 Root 5 root 212 5 square root 21 simplified 5 root of 2187 X 5 root 21 If x 5 root 21 2 Square root of 21 How to root redmi 5 plus √ 5 2-root 5