Question

If x+1/x=3, then the value of x2+1/x2=​

Answer 1

Answer:

7

Step-by-step explanation:

x+1/x=3

square both sides we get

x²+1/x²+2*x*1/x=9

x²+1/x²+2=9

x²+1/x=9-2=7

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