Question

What is the formula of cube and cube roots ?​

Answer 1

Answer:

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Answer 2

Answer:

The cube root formula is used to give the cube root value of any number. To recall, the cube of any number is found by multiplying the number three times. For example, 5 × 5 × 5 = 125. Now, the cube root formula is the vice versa of the cube formula.

Step-by-step explanation:

Solved Examples for Cube Root Formula

Example: Find Cube Root of 175616

Solution: Step 1- Take the last three digits and make their group i.e., 176 – 616

Step 2- Take the last digit of the above-formed group, i.e. 6. According to the cube rules table if the last digit having 6 then the last digit of cube root for that number is 6. Hence the last most digit of the cube root of the given number is 6

Step 3- Take the leftover group which is 176. We know that 176 lies in between the cube of the numbers i.e 53 and 63. 125 < 176 < 216. Take the small cube number i.e “ 5 “. Hence the left-most digit of the answer is 5

So our answer = 56

So, using the above simple method we can calculate the cube root of a given number easily. This method can come handy while solving the questions.

Formula for Cube Root

Check the example below for detail:

5 Cube = 53 = 125

Cube Root of 125 = 3√125 = 5

Thus, the cube root of 125 is 5. The number 125 is a perfect cube.

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