Mathematics for IGCSE & O level - Surds (Section 1 - No. 26) | ExamPlay

Mathematics for IGCSE & O level - Surds (Section 1 - No. 26)

If a = 2+√3, what is a-2?

√3

4

2√3

0

Explanation

If a = 2+√3, then a-2 = (2+√3)-2 = √3

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