Question

x=2+√3 then x^3+1/x^3​

Answer 1

Answer:

please mark it as brainliest

Answer 2

Answer:

=1

Step-by-step explanation:

=(2+√3)^3 + 1 / (2+√3)^3

=8 + 12√3 + 18 + 3√3 + 1 / 8 +12√3 +18 + 3√3

=27 + 15√3 / 26 + 15√3

=27 +15√3 * 26- 15√3 / 26+ 15√3 * 26-15√3

=1.01923788646699 / 1.00000000000015

=1

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