1.

If x=2+√3, find (x+1/x)³​

Answer»

Step-by-step EXPLANATION:

(x+1/x)^3

x=2+√3

(2+√3+1/2+√3)^3

(3+√3/2+√3)^3

(27+3√3+27√3+27)/(8+3√3+12√3+18)

(54+30√3)/(26+15√3)



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