Question

If x+1/x=5 then x square + 1/x square

Answer 1

Answer:

23

Step-by-step explanation:

Square the equation on both sides--->

[ x+1/x ]^2 = 5^2

x^2 + 1/x^2 + 2 = 25

x^2 + 1/x^2 = 23

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