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Mathematics for IGCSE & O level - Surds (Section 2 - No. 37)

Simplify (√5 + 2) / (√5).
1 + (2√5)/5
1 + 2/√5
2 + √5
1

Explanation

(√5 + 2)/√5 = 1 + 2/√5 * √5/√5 = 1 + (2√5)/5

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