Question

If x=3-√13/2, then find the value of x2+1/x2

Answer 1

Answer:

-2

Step-by-step explanation:

(3-root13/2)^2+1/(3-root13/2)^2

9-13/4+1/9-13/4

9-13/4+1*4/9-13

9-13/4+4/9-13

-4/4+-4/4

-1+(-1)

-1-1

-2

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