Grade 12th pass9 grade maths
Find the cube root of each of the following numbers by prime factorisation method.
(i) 64
Find the cube root of each of the following numbers by prime factorisation method.
(i) 64
1 Answer
Harshit Singh
Dear Student
(i) 64
Solution:
64 = 2×2×2×2×2×2
By grouping the factors in triplets of equal factors, 64 = (2×2×2)×(2×2×2)
Here, 64 can be grouped into triplets of equal factors,
∴ 64 = 2×2 = 4
Hence, 4 is cube root of 64.
Thanks
(i) 64
Solution:
64 = 2×2×2×2×2×2
By grouping the factors in triplets of equal factors, 64 = (2×2×2)×(2×2×2)
Here, 64 can be grouped into triplets of equal factors,
∴ 64 = 2×2 = 4
Hence, 4 is cube root of 64.
Thanks
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