noun
nth root; radical
Mathematics term for the root of a number, such as square root or cube root. Synonymous with 累乗根 (るいじょうこん).
See also: 累乗根
2の4乗のべき根は2です。
The 4th root of 2 to the 4th power is 2.
べき根の計算には指数法則を使います。
We use the laws of exponents to calculate nth roots.
Synonym; 累乗根 is the more formal mathematical term, while べき根 is a slightly more accessible variant.
Compound of べき (power) and 根 (root). The kanji 冪 is an older character for 'power' that has been largely replaced by kana in modern usage.