Advertisements
Advertisements
प्रश्न
By splitting into prime factors, find the square root of 396900.
उत्तर
`sqrt(396900)`
= `sqrt(bar(2 xx 2) xx bar(3 xx 3) xx bar(3 xx 3) xx bar(5 xx 5) xx bar(7 xx 7)`
= 2 x 3 x 3 x 5 x 7 = 630
| 2 | 396900 |
| 2 | 198450 |
| 3 | 99225 |
| 3 | 33075 |
| 3 | 11025 |
| 3 | 3675 |
| 5 | 1225 |
| 5 | 245 |
| 7 | 49 |
| 7 |
APPEARS IN
संबंधित प्रश्न
By just examining the unit digit, can you tell which of the following cannot be whole square?
1024
Write true (T) or false (F) for the following statement.
The number of digits in a square number is even.
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
71
Find the smallest number by which 147 must be multiplied so that it becomes a perfect square. Also, find the square root of the number so obtained.
Find the smallest number by which 3645 must be divided so that it becomes a perfect square. Also, find the square root of the resulting number.
Find the square roots of 121 and 169 by the method of repeated subtraction.
Find the smallest perfect square divisible by 3, 4, 5 and 6.
Find the square root by prime factorisation method
144
_______ is added to 242 to get 252
Using prime factorisation, find the square roots of 11025
