SOLUTION: if the reciprocal of x+1 Is x-1 determine x
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Question 180089
:
if the reciprocal of x+1 Is x-1 determine x
Answer by
stanbon(75887)
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if the reciprocal of x+1 Is x-1 determine x
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1/(x+1) = x-1
Cross-multiply to get:
x^2-1 = 1
x^2 = 2
x = sqrt(2) or x = -sqrt(2)
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cheers,
Stan H.