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Mathematics for IGCSE & O level - Surds (Section 2 - No. 4)

Which of the following is not equal to 2√3?
√12
√48 / 2
√(2^2 * 3)
√24

Explanation

2√3=√12=√48/2=√(2^2*3), but √24 does not simplify to 2√3

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