X square plus 1 upon x square equals to 27 find the value of x plus 1 upon x
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x²+1/x² = 27
or, x²+1/x²+2 = 27+2
or, x²+1/x²+2.x.1/x = 29
or, (x+1/x)²= 29
or, x²+1/x²+2 = 27+2
or, x²+1/x²+2.x.1/x = 29
or, (x+1/x)²= 29
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