Advertisements
Advertisements
प्रश्न
Find which of the following number is cube of rational number \[\frac{27}{64}\] .
योग
Advertisements
उत्तर
We have:
\[\frac{27}{64} = \frac{3 \times 3 \times 3}{8 \times 8 \times 8} = \frac{3^3}{8^3} = \left( \frac{3}{8} \right)^3\]
Therefore,
\[\frac{27}{64}\] is a cube of \[\frac{3}{8}\] .
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Find the cube of −11 .
Find the cube root of the following rational number 0.001 .
Complete the following table.
| Sr. No. | Number | Power of the root | Root of the power |
| (1) | `(225)^(3/2)` | Cube of square root of 225 | Square root of cube of 225 |
| (2) | `(45)^(4/5)` | ||
| (3) | `(81)^(6/7)` | ||
| (4) | `(100)^(4/10)` | ||
| (5) | `(21)^(3/7)` |
Simplify:
`root(3)(16/54)`
Find the cube of: 0.8
Find the cube of: -30
Find the cube of: -50
Cube of a number ending in 7 will end in the digit ______.
Cube of an even number is odd.
Is 9720 a perfect cube? If not, find the smallest number by which it should be divided to get a perfect cube.
