Q379
If x = √5 + 1 and y = √5 - 1, then what is the value of x^2y^2 + y^2x^2 + 4 [ x/y + y/x ] + 6?
If x = √5 + 1 and y = √5 - 1, then what is the value of
A.
31
B.
23√5
C.
27√5
D.
25
AnswerAnswer: Option D
Solution
Answer: Option D
Solution: