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Component of the vector $A = 2 \hat{i} + 3 \hat{j}$ along the vector $B = (\hat{i} + \hat{j})$ ) is

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Correct option is A

Component of A along B = A cos θ = A·BB=2+31+1=52

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Component of the vector A=2i^+3j^ along the vector B=(i^+j^)) is

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Component of the vector $A = 2 \hat{i} + 3 \hat{j}$ along the vector $B = (\hat{i} + \hat{j})$ ) is