vectors-m

Related Questions

• If a and b be unlike vectors, then a . b =

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• If $\mathbf{a}=2\mathbf{i}+4\mathbf{j}+2\mathbf{k}$ and $\mathbf{b}=8\mathbf{i}-3\mathbf{j}+\lambda \mathbf{k}$ and $\mathbf{a}\,\bot \,\mathbf{b},$ then value of $\lambda $ will be

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• If $|\mathbf{a}|\,=3,\,\,|\mathbf{b}|\,=4$ then a value of ? for which $\mathbf{a}+\lambda \mathbf{b}$ is perpendicular to $\mathbf{a}-\lambda \mathbf{b}$ is

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• $|\,(\mathbf{a}\times \mathbf{b})\,.\,\mathbf{c}\,|\,=\,|\mathbf{a}|\,\,|\mathbf{b}|\,\,|\mathbf{c}|,$ if

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• The value of $\lambda $ for which the vectors $2\lambda \mathbf{i}+\mathbf{j}-\mathbf{k}$ and $2\mathbf{j}+\mathbf{k}$ are perpendicular, is

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