Advertisements
Advertisements
प्रश्न
\[\sqrt[3]{480} = \sqrt[3]{3} \times 2 \times \sqrt[3]{. . .}\]
Advertisements
उत्तर
20
∵ \[\sqrt[3]{480} = \sqrt[3]{\left\{ 2 \times 2 \times 2 \right\} \times 2 \times 2 \times 3 \times 5} = 2 \times \sqrt[3]{3} \times \sqrt[3]{5 \times 2 \times 2} = \sqrt[3]{3} \times 2 \times \sqrt[3]{20}\]
APPEARS IN
संबंधित प्रश्न
You are told that 1331 is a perfect cube. Can you guess without factorization what is its cube root? Similarly, guess the cube roots of 4913, 12167, 32768
Using the method of successive subtraction examine whether or not the following numbers is perfect cube 1331 .
\[\sqrt[3]{\frac{27}{125}} = \frac{. . .}{5}\]
Evaluate:
Find The cube root of the numbers 3048625, 20346417, 210644875, 57066625 using the fact that 57066625 = 166375 × 343 .
Making use of the cube root table, find the cube root
250.
Making use of the cube root table, find the cube root
9800 .
Making use of the cube root table, find the cube root
37800 .
Find the cube root of 216.
Using prime factorisation, find which of the following are perfect cubes.
128
