x+(1/x) = 2.5 find x^2 + (1/x^2)
Select: A) 2.25 B) 3.25 C) 4.25 D) 5.25 E) 6.25
squaring on both sides (x+1/x)^2=2.5^2   x^2+1/X^2=6.25-2   x^2+1/X^2=4.25   ANSWER:4.25
<result>C</result>
x+(1/x) = 2.5 find x^2 + (1/x^2)