Mathematics for IGCSE & O level - Surds (Section 2 - No. 48)
Which of the following options can be written as a + b√c, where a, b, and c are integers?
2 + √3
5 + √2
4 - 2√5
6 / √3
Explanation
Options A, B, and C are already in that format. Option D is 6/√3 = 2√3, therefore not in the specified format.
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