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The component of vector $A = 2 \hat{i} + 3 \hat{j}$ along the vector $\hat{i} + \hat{j}$ is

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Correct option is A

A→.B→|i^+j^| = (2i^+3j^)(i^+j^)2 = 2+32 = 52

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The component of vector A = 2i^+3j^ along the vector i^+j^ is

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The component of vector $A = 2 \hat{i} + 3 \hat{j}$ along the vector $\hat{i} + \hat{j}$ is