Given : $\vec A\, = \,2\hat i\, + \,p\hat j\, + q\hat k$ and $\vec B\, = \,5\hat i\, + \,7\hat j\, + 3\hat k,$ if $\vec A\,||\,\vec B,$ then the values of $p$ and $q$ are, respectively
- A$\frac {14}{5}$ and $\frac {6}{5}$
- B$\frac {14}{3}$ and $\frac {6}{5}$
- C$\frac {6}{5}$ and $\frac {1}{3}$
- D$\frac {3}{4}$ and $\frac {1}{4}$
Similar Questions
The vector $\overrightarrow P = a\hat i + a\hat j + 3\hat k$ and $\overrightarrow Q = a\hat i - 2\hat j - \hat k$ are perpendicular to each other. The positive value of $a$ is
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- [AIIMS 2002]
Obtain the scalar product of unit vectors in Cartesian co-ordinate system.
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- [AIPMT 2007]
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