The square of the square root of a number is this number.
Question 2: What is a cube root? 1. The concept of cube root:
If the cube of a number is equal to A, it is called the cube root of A (also called the cube root of A).
Mathematically expressed as:
If x3=a, then X is called the cube root of A, or X is called the cube root of A. 。
2. Cubic root representation:
Similar to the square root representation, we use symbols to represent the cube root of the number A, which is read as "A under the symbol of cube root", where A is called the root number to be squared and 3 is called the root index. Note that in the previous study, we said that when the root index is 2, it can be omitted, and now it is a cubic root. The root number 3 is absolutely unnecessary, otherwise it will be confused with the square root, for example, it means 125.
Question 3: How to calculate the cube root? Just remember the cube of these numbers first, and then turn it upside down? . If the cube root can't get the accurate result, it can be represented by the cube root symbol.
13= 1 23=8 33=27 43=64 53= 125 63=2 16 73=343 83=5 12 93=729 103= 1000
Question 4: The concept of cube root? 23=8, and 2 is the cube root of 8.
Find the cube root of 8, 3√8=2.
Question 5: What does the cube root mean? The square of 2 is 4, 2 is the square root of 1 4, and -2 is also the square root of 4.
The square of the square root of a number is this number.
Question 6: What is a cube root? 1. The concept of cube root:
If the cube of a number is equal to A, it is called the cube root of A (also called the cube root of A).
Mathematically expressed as:
If x3=a, then X is called the cube root of A, or X is called the cube root of A. 。
2. Cubic root representation:
Similar to the square root representation, we use symbols to represent the cube root of the number A, which is read as "A under the symbol of cube root", where A is called the root number to be squared and 3 is called the root index. Note that in the previous study, we said that when the root index is 2, it can be omitted, and now it is a cubic root. The root number 3 is absolutely unnecessary, otherwise it will be confused with the square root, for example, it means 125.
Question 7: Cubic root.
Question 8: How to calculate the cube root? Just remember the cube of these numbers first, and then turn it upside down? . If the cube root can't get the accurate result, it can be represented by the cube root symbol.
13= 1 23=8 33=27 43=64 53= 125 63=2 16 73=343 83=5 12 93=729 103= 1000
Question 9: What is the meaning of "root" in square root and cube root? It's no use worrying about this.