if x square + 1/ x square equal to 29 then find x
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rohtak:
thanks
Answered by
1
Step-by-step explanation:
x² + 1/x² = 29
x² + 1/x² - 2 = 29 - 2
x² + 1/x² - 2 × x × 1/x = 27
( x - 1/x )² = 9³
x - 1/x = ± 5
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