If x + (1/x) = 5, what is the value of T= x^2 + (1/x)^2?  Select the correct option: A) T=21 B) T=22 C) T=23 D) 24 E) 27
Squaring on both sides,   x^2 + (1/x)^2 + 2(x)(1/x) = 5^2   x^2 + (1/x)^2 = 23   Answer: T=23
<result>C</result>
If x + (1/x) = 5, what is the value of T= x^2 + (1/x)^2?