Advertisements
Advertisements
प्रश्न
If the cube of a squared number is 729, find the square root of that number
Advertisements
उत्तर
729 = `bar(3 xx 3 xx 3) xx bar(3 xx 3 xx 3)`
`(729)^(1/3)` = 3 × 3 = 9
∴ The cube of 9 is 729.
9 = 3 × 3 ...[i.e. 3 is squared to get 9]
We have to find out `sqrt(3)`
`sqrt(3)` = 1.732
APPEARS IN
संबंधित प्रश्न
Parikshit makes a cuboid of plasticine of sides 5cm, 2cm, 5cm. How many such cuboids will he need to form a cube?
Find the cubes of the number 55 .
Write the cubes of 5 natural numbers which are multiples of 3 and verify the followings:
'The cube of a natural number which is a multiple of 3 is a multiple of 27'
Write the cubes of 5 natural numbers of which are multiples of 7 and verify the following:
'The cube of a multiple of 7 is a multiple of 73'.
Write true (T) or false (F) for the following statement:
No cube can end with exactly two zeros.
Which of the following number is cube of negative integer - 2744 .
Find the cube root of the following natural number 17576 .
Find the cube-root of 0.000027
If a2 ends in 9, then a3 ends in 7.
Square root of a number x is denoted by `sqrt(x)`.
