if x^2-3x+1=0 find the value of x^2+1/x^2
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1
Answer:
7
Step-by-step explanation:
x²-3x+1=0 then x=3+5^1/2÷2,3-5^1/2÷2.
x²+1/x²=(x+1/x)²-2
=3²-2
=9-2
=7
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