(469 + 174)2 - (469 - 174)2	/(469 x 174)=? Choose the most appropriate option:
A) 2	B) 4	C) 295	D) 643	E) 123
Explanation:   Given exp. =	(a + b)2 - (a - b)2/ab   =	4ab/ab   = 4 (where a = 469, b = 174.)   ANSWER IS 4
<result>B</result>
(469 + 174)2 - (469 - 174)2	/(469 x 174)=?