Mathematics for IGCSE & O level - Surds (Section 2 - No. 25) | ExamPlay

Mathematics for IGCSE & O level - Surds (Section 2 - No. 25)

Rationalise the denominator of 2/ (3-√5)

(6+2√5) / 4

(6-2√5) / 4

(6+2√5) / 14

(6-2√5) / 14

Explanation

Multiply by (3+√5) / (3+√5) which simplifies to (6+2√5)/4

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