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Find the altitude of a parallelepiped de...

Find the altitude of a parallelepiped determined by the vectors `vec(a)=-2hat(i)+5hat(j)+3hat(k)" "vec(b)=hat(i)+3hat(j)-2hat(k)andvec(c)=-3hat(i)+hat(j)+4hat(k)` if the base is taken as the parallelogram determined by `vec(b)andvec(c).`

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The correct Answer is:
` (2sqrt3)/(5) `
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