vectors-m

Related Questions

• ABC is an isosceles triangle right angled at A. Forces of magnitude $2\sqrt{2,}\,5$ and 6 act along $\overrightarrow{BC},\,\,\overrightarrow{CA}$ and $\overrightarrow{AB}$ respectively. The magnitude of their resultant force is

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• If a and b are two unit vectors such that $\mathbf{a}+2\,\mathbf{b}$ and $5a-4b$ are perpendicular to each other, then the angle between a and b is

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• The vectors a, b and a + b are

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• The unit vector perpendicular to both the vectors i – 2j + 3k and i + 2j – k is

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• If A, B, C, D are any four points in space, then $|\overrightarrow{AB}\times \overrightarrow{CD}+\overrightarrow{BC}\times \overrightarrow{AD}+\overrightarrow{CA}\times \overrightarrow{BD}|$ is equal to (where $\Delta$ denotes the area of $\Delta ABC$)

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