Rationalize the denominator and simplify 2by 3+ root 5
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Solution :
2/(3+√5)
= [2(3-√5)]/[(3+√5)(3-√5)]
= [2(3-√5)]/[3²-(√5)²]
= 2(3-√5)/(9-5)
= 2(3-√5)/4
= (3-√5)/2
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