If x+1/x=3,then findx3+1/x3
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X+1 /X = 3
X+1 = 3X
X-3X = -1
-2X = -1
X = 1/2
X³+1/X³ = (1/2)³+1/(1/2)³
= 65/8
X+1 = 3X
X-3X = -1
-2X = -1
X = 1/2
X³+1/X³ = (1/2)³+1/(1/2)³
= 65/8
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