Advertisements
Advertisements
प्रश्न
Find if the following number is a perfect cube?
1728
उत्तर
1728
| 2 | 1728 |
| 2 | 864 |
| 2 | 432 |
| 2 | 216 |
| 2 | 108 |
| 2 | 54 |
| 3 | 27 |
| 3 | 9 |
| 3 | 3 |
| 1 |
∵ 1728 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3
= (2)3 x (2)3 x (3)3
∵ 1728 is a perfect cube.
APPEARS IN
संबंधित प्रश्न
Find the smallest number by which the following number must be divided to obtain a perfect cube.
135
Find the cubes of the number 40 .
Find the cubes of the number 55 .
Write the cubes of 5 natural numbers which are multiples of 3 and verify the followings:
'The cube of a natural number which is a multiple of 3 is a multiple of 27'
By which smallest number must the following number be divided so that the quotient is a perfect cube?
8788
Which of the following number is not perfect cubes?
1728
Find the cube root of the following natural number 35937 .
Show that: \[\sqrt[3]{64 \times 729} = \sqrt[3]{64} \times \sqrt[3]{729}\]
Find the tens digit of the cube root of each of the numbers in Q. No. 15.
Making use of the cube root table, find the cube root
700
Making use of the cube root table, find the cube root
1100 .
Find if the following number is a perfect cube?
243
Find the cube-root of 64
Find the cube-root of `343/512`
Find the cube-root of 64 x 729
Find the cube-root of -216 x 1728
Find the cube-root of `(729)/(-1331)`
Find the smallest number by which 200 should be multiplied to make it a perfect cube
The cube root of a number x is denoted by ______.
Cube roots of 8 are +2 and –2.
