Sum of the squares of three numbers is 351 and the sum of their products taken two at a time is 245. Find the sum?
Select the correct option:
A) 20  B) 22  C) 25  D) 26  E) 29
(a + b + c)2 = a2 + b2 + c2 + 2(ab +bc + ca) = 351 + 2* 245   a + b + c = √841 = 29   29
<result>E</result>
Sum of the squares of three numbers is 351 and the sum of their products taken two at a time is 245. Find the sum?