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X=3+under root 1 find the value of x2+1/x |
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Answer» Answer: 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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