3-√5 / 3+2√5.
pls answer its urgent
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(3-√5)/(3+2√5)
(3-√5)(3-2√5)/(3+2√5)(3-2√5)
using a²-b²=(a-b)(a+b)
(9-6√5-3√5+10)/(3)²-(2√5)2
(19-9√5)/9-20
(19-9√5)/-12
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