1.

The component of vector \[A=2\hat{i}+3\hat{j}\]along the vector \[\hat{i}+\hat{j}\]is [KCET 1997]

A. \[\frac{5}{\sqrt{2}}\]  
B. \[10\sqrt{2}\]
C. Above both  
D. 5
Answer» B. \[10\sqrt{2}\]


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