Advertisements
Advertisements
प्रश्न
Find the cube-root of 700 × 2 × 49 × 5.
Advertisements
उत्तर
700 × 2 × 49 × 5
= 2 × 2 × 5 × 5 × 7 × 2 × 7 × 7 × 5
= (2 × 2 × 2) × (5 × 5 × 5) × (7 × 7 × 7)
= 2 × 5 × 7
= 70
APPEARS IN
संबंधित प्रश्न
Write the cubes of 5 natural numbers of the form 3n + 2 (i.e. 5, 8, 11, ...) and verify the following:
'The cube of a natural number of the form 3n + 2 is a natural number of the same form i.e. when it is dividend by 3 the remainder is 2'.
Which of the following is perfect cube?
106480
By which smallest number must the following number be divided so that the quotient is a perfect cube?
8788
By which smallest number must the following number be divided so that the quotient is a perfect cube?
107811
What happens to the cube of a number if the number is multiplied by 4?
What happens to the cube of a number if the number is multiplied by 5?
Which of the following number is not perfect cubes?
1728
For of the non-perfect cubes in Q. No. 20 find the smallest number by which it must be divided so that the quotient is a perfect cube.
By taking three different values of n verify the truth of the following statement:
If a natural number n is of the form 3p + 2 then n3 also a number of the same type.
Find the cube root of the following integer −125 .
Find the cube root of the following integer −5832 .
Show that:
\[\frac{\sqrt[3]{729}}{\sqrt[3]{1000}} = \sqrt[3]{\frac{729}{1000}}\]
Find the units digit of the cube root of the following number 226981 .
Find the units digit of the cube root of the following number 13824 .
Find the cube-root of -512
Find the cube-root of 0.000027
Show that 1944 is not a perfect cube
If m is the cube root of n, then n is ______.
Cube roots of 8 are +2 and –2.
