Advertisements
Advertisements
Question
Find the cube root of 729 and 6859 prime factorisation
Advertisements
Solution
| 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
RELATED QUESTIONS
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
Write true (T) or false (F) for the following statement .
There is no square number between 50 and 60.
Write true (T) or false (F) for the following statement.
There are fourteen square number upto 200.
Find the square root the following by prime factorization.
4096
Find the square root the following by prime factorization.
47089
Find the square root the following by prime factorization.
27225
By splitting into prime factors, find the square root of 11025.
Examine if the following is a perfect square
190
Find the square root by prime factorisation method
144
A square board has an area of 144 square units. How long is each side of the board?
