1.

If the position vectors of A and B are \(\mathop a\limits^ \to\) and \(\mathop b\limits^ \to\) respectively, then the position vector of mid-point of AB is:

A. \(\mathop a\limits^ \to + \mathop b\limits^ \to\)
B. \(\mathop a\limits^ \to - \mathop b\limits^ \to\)
C. \(\frac{1}{2}\left( {\mathop a\limits^ \to + \mathop b\limits^ \to } \right)\)
D. \(\frac{1}{2}\left( {\mathop a\limits^ \to - \mathop b\limits^ \to } \right)\)
Answer» D. \(\frac{1}{2}\left( {\mathop a\limits^ \to - \mathop b\limits^ \to } \right)\)


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