Square root yenhamba isiri-negative a (inoratidzwa kuti √a) ndiyo nhamba b guru pane zero, mativi (kana nemamwe mazwi simba rechipiri) iro rakaenzana ne aIe
Mirayiridzo yekushandiswa: pinda iyo radical kutaura (iyi ndiyo nhamba a), wobva wadzvanya bhatani “Kareta”. Nekuda kweizvozvo, sikweya midzi yemutengo wakatarwa ichaverengerwa.