vectors-m

Related Questions

• Let a and b be two non-collinear unit vectors. If $\mathbf{u}=\mathbf{a}-(\mathbf{a}\,.\,\mathbf{b})\,\mathbf{b}$ and $\mathbf{v}=\mathbf{a}\times \mathbf{b},$ then | v | is

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• $\mathbf{a}\,.\,\mathbf{b}=0,$ then

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• If $\mathbf{d}=\lambda \,(\mathbf{a}\times \mathbf{b})+\mu \,(\mathbf{b}\times \mathbf{c})+\nu \,(\mathbf{c}\times \mathbf{a})$and $[\mathbf{a}\,\mathbf{b}\,\mathbf{c}]=\frac{1}{8},$ then $\lambda +\mu +\nu $ is equal to

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• If three vectors a, b, c satisfy $\mathbf{a}+\mathbf{b}+\mathbf{c}=\mathbf{0}$ and $|\mathbf{a}|\,\,=\,\,3,\,$ $|\mathbf{b}|\,=5,$ $|\mathbf{c}|\,\,=7,$ then the angle between a and b is

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• If a has magnitude 5 and points north-east and vector b has magnitude 5 and points north-west, then $|\,\,\mathbf{a}-\mathbf{b}\,\,|\,=$

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