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MATHEMATICS

JAMB 2010 - Question 9

Mathematics 2010 JAMB Past Questions - Question 9: Rationalize 2√3+√5 / √5 - √3

Rationalize 2√3+√5 / √5 - √3

A: 3√15-11

B: 3√15-11 /2

C: 3√15 +11

D: 3√15+11 /2

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Correct Answer

Explanation

2√3+√5/√5−√3= (2√ 3 + √5/√5−3√) (√5+√3/√5+√3)= 2√ 15 +6+5+√ 15 = 3√ 15 /2+11/2