x+(1/x) = 4 find x^2 + (1/x^2)
Select:	A) 2.25	B) 3.25	C) 4.25	D) 14	E) 6.25

Rationale: "squaring on both sides ( x + 1 / x ) ^ 2 = 4 ^ 2 x ^ 2 + 1 / x ^ 2 = 16 - 2 x ^ 2 + 1 / x ^ 2 = 14 answer : d"
Answer: D