Advertisements
Advertisements
प्रश्न
Find the cube root of 729 and 6859 prime factorisation.
Advertisements
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
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.
2645
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
25
Find the square root the following by prime factorization.
1156
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.
Write the prime factorization of the following number and hence find their square root.
7744
The students of class VIII of a school donated Rs 2401 for PM's National Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.
1000 is a perfect square.
Using prime factorisation, find the square roots of 11025
Using prime factorisation, find the square roots of 4761
