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  1. Find the cube root of (–13824).
                          or
    Find the value of 3√−13824.
    1. 38
    2. –38
    3. 24
    4. –24
Correct Option: D


∴  13824 = 23 × 23 × 23 × 33
∴  3√–13824
= 3√(−1)3 23 × 23 × 23 × 33
= (–1) 2 × 2 × 2 × 3 = –24


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