Question

if x=9-4 √5 then x+1/x is equal to
8√5
—8√5
18
81​

Answer 1

Answer:

81 is the correct answer

Answer 2

Step-by-step explanation:

given=9-4√5 so x= 05572809,1/x= 17.94427191.

x+1/x=(18+855)

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