Important Points
& NCERT Solutions
& NCERT Solutions
1. If n is a perfect cube then n = m3 or m is the cube root of n. i.e. (n = m × m × m)
2. A cube root is written as ∛n or n1/3.
3. ∛2, ∛3, ∛4 etc. all are irrational numbers.
4. The cube root of negative perfect cube is negative. i.e.
(-x)3= -x3