Sum of the squares of 3 no.'s is 222 and the sum of their products taken two at a time is 131. Find the sum?	Choose the correct choice:
A) 22 B) 24 C) 26 D) 28 E) 30
(a + b + c)2 = a2 + b2 + c2 + 2(ab +bc + ca) = 222 + 2* 131   a + b + c = √484 = 22   22
<result>A</result>
Sum of the squares of 3 no.'s is 222 and the sum of their products taken two at a time is 131. Find the sum?