if a^2+b^2=177and ab=54 then find the value of a+b/a-b?
Select
A) 5 B) 15 C) 6 D) 3 E) 7
(a+b)^2=a^2+b^2+2ab=117+2*24=225   a+b=15   (a-b)^2=a^2+b^2-2ab=117-2*54   a-b=3   a+b/a-b=15/3= 
<gadget id="calculator">15/3</gadget>
<output>5</output>
5   Option 5
<result>A</result>
if a^2+b^2=177and ab=54 then find the value of a+b/a-b?