If x=2+√3, find the value of x^3+1/x^3
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x=2+√3
1/x=1/2+√3
1/x=2-√3/4-3
1/x=2-√3
x+1/x=4
x³+1/x³
=(x+1/x)³-3(x+1/x)
=4³-3.4
=64-12
=52
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Answer: 52
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