If x + 1/x = 3, find the value of x^4 + 1/x^4
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x+1/x=3
x+1=3x
3x-x=1
2x=1
x=1/2
(1/2)^4+1/(1/2)^4
17/16/1/16
17 is the correct answer
x+1=3x
3x-x=1
2x=1
x=1/2
(1/2)^4+1/(1/2)^4
17/16/1/16
17 is the correct answer
parkjimin:
can u explain it
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