X=3+under root 1 find the value of x2+1/x
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Step-by-step explanation: x=3+√1 , x²+1/x.........(given)
putting the value of x in the given equation
= (3+√1)²+1/3+√1
= 9+6+1+1/3+√1
= 16+1/3+√1
= 16+3 - 1/9-1 .........(by rationalising the denominator)
= 16+2/8
= 108/8+2/8
= 110/8
= 13.75
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