please solve this question 5, 6, 7,8, 9
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Answer:
x + 1/x = 12
square both sides
x^2 + 1/x^2 + 2 = 144
x^2 + 1/x^2 = 142
how x ^ 2 + 1 / x ^ 2 +2=144
how 2 came here
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