A) \[\frac{m\,\mathbf{a}+n\,\mathbf{b}}{m+n}\]
B) \[\frac{n\,\mathbf{a}+m\,\mathbf{b}}{m+n}\]
C) \[m\,\mathbf{a}-n\,\mathbf{b}\]
D) \[\frac{m\,\mathbf{a}-n\,\mathbf{b}}{m-n}\]
Correct Answer: B
Solution :
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