If x -1/x= 7, find the value of x^4+1/x^4
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Answer:
2599
Step-by-step explanation:
x -1/x = 7
x² + 1/x² - 2 = 49
x² + 1/x² = 51
x⁴ + 1/x⁴ + 2 = 2601
x⁴ + 1/x⁴ = 2601-2 = 2599
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