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Question

Find the cube root of 13824 by the method of prime factorization.

A
24
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B
18
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C
12
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D
36
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Solution

The correct option is A 24

On prime factorising, we get,

13824=3×3×3×2×2×2×2×2×2×2×2×2

=23×23×23×33=243.


Then, cube root of 13824 is:

313824=3243=24.


Therefore, option A is correct.


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