SOF International Mathematics Olympiad (IMO)
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Set A
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2024
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Sample
Simplify: √(44) is equal to which surd form?
Explanation
Explanation
We look for the largest perfect square factor of 44. Since 44 = 2² × 11, we can pull 2² out of the square root as 2. That leaves √11 inside, so √44 = 2√11.
PRO TIP
Re-check your working by substituting the answer back into the original question.
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