if x + 1/x = 5 , find the value of x square + 1/x square and x^4 + 1/x^4
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Answer:
( x - 1/x )² = 5²
=> x² + 1/x² - 2 = 25
=> x² + 1/x² = 27 [ 1 answer ]
Step-by-step explanation:
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