SOLUTION: Solve: s-4√s-1=0

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Question 191926: Solve:
s-4√s-1=0

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!



The trick to this one is a substitution. Let , then



Using the quadratic formula:




You can do your own arithmetic to check that



Then



Therefore



and



Check:



and




John


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