If xy = 5 and x^2 + y^2 = 15, then x/y + y/x =  Choose the correct choice from the following
A) 2 2/5	B) 3	C) 5 1/3	D) 7	E) 60
x/y+y/x=(x^2+y^2)/xy =substitute given we get 15/5= 
<gadget id="calculator">15/5</gadget>
<output>3</output>
3 answer 3
<result>B</result>
If xy = 5 and x^2 + y^2 = 15, then x/y + y/x =