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

Simplify (√5 + 2) / (√5).

1 + (2√5)/5

1 + 2/√5

2 + √5

1

Erläuterung

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

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