1.
A⃗\vec{A} and B⃗\vec{B} are two vectors given by A⃗=2i^+3j^\vec{A} = 2\hat{i} + 3\hat{j} and B⃗=i^+j^\vec{B} = \hat{i} + \hat{j}. The magnitude of the component of A⃗\vec{A} along B⃗\vec{B} is