A) \[-\frac{19}{5\sqrt{43}}\]
B) 0
C) \[\frac{19}{5\sqrt{43}}\]
D) 1
Correct Answer: C
Solution :
\[\vec{p}\cdot \vec{q}=0\] & \[\vec{r}\cdot \vec{s}=0.\]Form two simultaneous equations and get a relation between \[|\vec{a}|\] & \[|\vec{b}|\] as \[25|\vec{a}{{|}^{2}}=43|\vec{b}{{|}^{2}}.\] now compute \[({{\vec{a}}^{\wedge }}\vec{b})=\frac{\vec{a}\cdot \vec{b}}{|\vec{a}||\vec{b}|}\]You need to login to perform this action.
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