If \(d\left( { - \frac{1}{2},\frac{5}{2}} \right)\) , e(7, 3) and \(f\left( {\frac{7}{2},\frac{7}{2}} \right)\) are the coordinates of the mid-points of sides BC, CA and AB respectively of ΔABC, then the co-ordinates of the vertex C is -
1
(11, 4)
2
(-4, 3)
3
(3, 2)
4
More than one of the above
5
None of the above