The dot product of vectors (2i + 3j) and (i + 6j) is

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Solution

The correct option is A 20

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Similar questions

_{1} = 2 ˆ i + 5 ˆ k

_{2} = 3 ˆ j + 4 ˆ k

2 ˆ i - 3 ˆ j + 4 ˆ k

- 4 ˆ i + 6 ˆ j - 8 ˆ k

\hat{i} + \hat{j} - 3 \hat{k}, \hat{i} + 3 \hat{j} - 2 \hat{k} and 2 \hat{i} + \hat{j} + 4 \hat{k}

\hat{i} - \hat{j} + \hat{k}, 2 \hat{i} + \hat{j} - 3 \hat{k} and \hat{i} + \hat{j} + \hat{k}

2 ˆ i - 3 ˆ j + 4 ˆ k

- 4 ˆ i + 6 ˆ j - 8 ˆ k

2 \hat{i} - 3 \hat{j} + 4 \hat{k} and - 4 \hat{i} + 6 \hat{j} - 8 \hat{k}

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