LogFAQs > #969823351

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Topic	For which integers x is sqrt[x+sqrt(x+8)] a positive integer?
ellis123 11/30/22 9:43:12 PM #24:	Damn_Underscore posted... I guess thats true Don't give up! If you plug in all real numbers into y and keep track of every value of x that is also an integer your method works! Damn_Underscore posted... Actually... SQRT of SQRT of x + 8 = y Square both sides SQRT of x+ 8 = y Square both sides x + 8 = y There B are infinite answer pairs for this That's because the equation being asked about isn't the one that you just did. --- "A shouted order to do something of dubious morality with an unpredictable outcome? Thweeet!" My FC is in my profile. <cite>ellis123 posted [p:969823351] in For which ... [t:80257202]...</cite> <quote>Damn_Underscore posted... </cite><quote>I guess thats true</quote>Don't give up! If you plug in all real numbers into y and keep track of every value of x that is also an integer your method works!Damn_Underscore posted... </cite><quote>Actually...SQRT of SQRT of x + 8 = ySquare both sidesSQRT of x+ 8 = ySquare both sidesx + 8 = yThere B are infinite answer pairs for this</quote>That's because the equation being asked about isn't the one that you just did. --- "A shouted order to do something of dubious morality with an unpredictable outcome? Thweeet!"My FC is in my profile.</quote> ... Copied to Clipboard!
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