Question

1. Ifx^2+1/x^2 = 34, find x^3+1/x^3-9​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

x² + 1/x² = 34

x + 1/x = √ (34 + 2) = 6

x³ + 1/x³ = (x + 1/x)^3 - 3 x/x (x + 1/x) = 6^3 -  3 * 6 = 198

answer: 189

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