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Question
Cube roots of 8 are +2 and –2.
Options
True
False
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Solution
This statement is False.
Explanation:
(2)3 = 2 × 2 × 2 = 8
∴ `root(3)(8) = 2`
But (–2)3 = (–2) × (–2) × (–2) = –8 ≠ 8
∴ `root(3)(8) ≠ -2`
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