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sqrt(a + 2 sqrt(b)) as sqrt(m) + sqrt(n)

The same question, asked 2 times: 17 Sep 2025 S1*, 19 Sep 2025 S1*. Every wording below, oldest first.

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  1. Question 1

    17 Sep 2025 S1

    51
    Simplify: (12+63)\sqrt{(12 + 6\sqrt{3})}

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  2. Question 2

    19 Sep 2025 S1

    51
    Simplify the expression: (9+45)\sqrt{(9 + 4\sqrt{5})}

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