Advertisements
Advertisements
प्रश्न
Find the cube root of 729 and 6859 prime factorisation
उत्तर
| 3 | 729 |
| 3 | 243 |
| 3 | 81 |
| 3 | 27 |
| 3 | 9 |
| 3 | 3 |
| 1 |
`root(3)(729) = root(3)(bar(3 xx 3 xx 3) xx bar(3 xx 3 xx 3))`
= 3 × 3
`root(3)(729)` = 9
| 19 | 6859 |
| 19 | 361 |
| 19 | 19 |
| 1 |
`root(3)(6859) = root(3)(19 xx 19 xx 19)`
`root(3)(6859)` = 19
APPEARS IN
संबंधित प्रश्न
Find the square root of the following number by the prime factorisation method.
1764
For the following number, find the smallest whole number by which it should be multiplied so as to get a perfect square number. Also find the square root of the square number so obtained.
180
For the following number, find the smallest whole number by which it should be divided so as to get a perfect square number. Also find the square root of the square number so obtained.
252
For the following number, find the smallest whole number by which it should be divided so as to get a perfect square number. Also find the square root of the square number so obtained.
396
Find the square root the following by prime factorization.
529
Find the smallest number by which 180 must be multiplied so that it becomes a perfect square. Also, find the square root of the perfect square so obtained.
By splitting into prime factors, find the square root of 396900.
_______ is added to 242 to get 252
A square board has an area of 144 square units. How long is each side of the board?
Using prime factorisation, find which of the following are perfect squares.
484
