Question

if x=2+√3,find [ x + 1/x ]³​

Answer 1

Answer:

answer is 64

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Step-by-step explanation:

explanation is given in attachment

Answer 2

Answer:

64

Step-by-step explanation:

x=2+√3,

1/x= 2-√3

[ x + 1/x ]³= (2+√3+2-√3)³== (4)³=64

so [ x + 1/x ]³= 64