Advertisements
Advertisements
प्रश्न
Find the cube root of the following natural number 4913 .
Advertisements
उत्तर
Cube root using units digit:
Let us consider 4913.
The unit digit is 3; therefore, the unit digit in the cube root of 4913 is 7.
After striking out the units, tens and hundreds digits of the given number, we are left with 4.
Now, 1 is the largest number whose cube is less than or equal to 4.
Therefore, the tens digit of the cube root of 4913 is 1.
Hence,
APPEARS IN
संबंधित प्रश्न
Write the cubes of 5 natural numbers of the form 3n + 2 (i.e. 5, 8, 11, ...) and verify the following:
'The cube of a natural number of the form 3n + 2 is a natural number of the same form i.e. when it is dividend by 3 the remainder is 2'.
Which of the following is perfect cube?
64
What happens to the cube of a number if the number is multiplied by 4?
Show that the following integer is cube of negative integer. Also, find the integer whose cube is the given integer −2744000 .
Show that: \[\sqrt[3]{27} \times \sqrt[3]{64} = \sqrt[3]{27 \times 64}\]
Show that: \[\sqrt[3]{- 125 \times 216} = \sqrt[3]{- 125} \times \sqrt[3]{216}\]
Making use of the cube root table, find the cube root
7800
Find if the following number is a perfect cube.
1938
Find the cube-root of `(729)/(-1331)`
Find the cube-root of 250.047
