Question

If x = 2 + √3 then find the value of x^3 + 1/x^3​

Answer 1

Step-by-step explanation:

Hi there !

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Given :

x = 2 + ✓3

1/x= 2-✓3

x+1/x=4

(x+1/x)^3=4^3

x^3+1/x^3+3x+1/x=64

x^3+1/x^3+3=64

x^3+1/x^3=64-3=61..

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Answer 2

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