find the value of x
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Answer:
(5 + √21)/2 ,(5 - √21)/2
Step-by-step explanation:
x+ 1/x = 5
x^2 - 5x + 1 = 0
x = -(-5)+- √[ (-5)^2 - 4(1)(1)]/2(1)
x = (5 + - √21)/2
x = (5 + √21)/2 , (5 - √21)/2
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