Advertisements
Advertisements
प्रश्न
\[\sqrt[3]{125 \times 27} = 3 \times . . .\]
Advertisements
उत्तर
5
\[\sqrt[3]{125 \times 27} = 3 \times 5 \]
∵ \[\sqrt[3]{125 \times 27} = \sqrt[3]{125} \times \sqrt[3]{27} = \sqrt[3]{5 \times 5 \times 5} \times \sqrt[3]{3 \times 3 \times 3}\]
\[ = 5 \times 3\]
\[= 3 \times 5\] ( Commutative law )
APPEARS IN
संबंधित प्रश्न
Find the cube root of the following number by the prime factorisation method.
10648
Find the cube root of the following numbers by the prime factorisation method.
27000
Using the method of successive subtraction examine whether or not the following numbers is perfect cube 792 .
\[\sqrt[3]{} . . . = \sqrt[3]{7} \times \sqrt[3]{8}\]
Three numbers are to one another 2 : 3 : 4. The sum of their cubes is 0.334125. Find the numbers.
Making use of the cube root table, find the cube root
732 .
Making use of the cube root table, find the cube root
8.65 .
Find the cube root of 1728.
The least number by which 72 be divided to make it a perfect cube is ______.
Using prime factorisation, find which of the following are perfect cubes.
343
