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Points A and B have position vector vec(...

Points A and B have position vector `vec(a)=-3hat(i)+2hat(j)+7hat(k)` and `vec(b)=3hat(i)+4hat(j)-5hat(k)` respectively. Find : The direction cosines `l, m, n` of `vec(AB)`

Text Solution

Verified by Experts

The correct Answer is:
`l=6/sqrt(184), m=2/sqrt(184), n=-12/sqrt(184)`
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