woodcaleigh26 woodcaleigh26

05-03-2018
Mathematics

contestada

Write the expression in simplified radical form. Show all steps and work
(7-2√5)/(11+√5)

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amirreza688 amirreza688

05-03-2018

multiply 11-√5 by 11+√5 .the answer is 121-5=116
so the fraction is turned into (7-2√5)(11+√5)/116
77+7√5 -22√5 -10=66-15√5/116

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