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29-10-2021
Mathematics

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if x = (7+4√3), then the value of x^2 + 1/x^2 is

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Аноним Аноним

29-10-2021

Answer:

194.

Step-by-step explanation:

x = (7+4√3)

x^2 = x = (7+4√3)^2

= 49 + 48 + 56√3

= 97 + 56√3

x^2 + 1/x^2 = 97 + 56√3 + 1/(97 + 56√3)

= 194.

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