Asked by praise
by rationalizing the denominator simplify 1+β5/1-β5
Answers
Answered by
praise
please help π₯Ίππ₯Ίππ₯Ίππ₯Ίππ₯Ίππ₯Ίπ₯Ίπ₯Ίπ₯Ί
Answered by
mathhelper
You obviously mean
(1+β5)/(1-β5) or else there would be no problem
= (1+β5)/(1-β5) * (1+β5)/(1+β5)
= (1 + 2β5 + 5) / (1 - 5)
= (6 + 2β5)/-4
= (-3 - β5)/2
(1+β5)/(1-β5) or else there would be no problem
= (1+β5)/(1-β5) * (1+β5)/(1+β5)
= (1 + 2β5 + 5) / (1 - 5)
= (6 + 2β5)/-4
= (-3 - β5)/2
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