If a2+b2=177and ab=54 then find the value of a+b/a-b?
Pick one:	A) 5	B) 4	C) 2	D) 1	E) 3
(a+b)2=a2+b2+2ab=117+2*24=225   a+b=15   (a-b)2=a2+b2-2ab=117-2*54   a-b=3   a+b/a-b=15/3= 
<gadget id="calculator">15/3</gadget>
<output>5</output>
5   5nswer is 5.
<result>A</result>
If a2+b2=177and ab=54 then find the value of a+b/a-b?