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What are the unit vectors parallel to xy-plane and perpendicular to the vector 4hat(i)-3hat(j)+hat(k)? |
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Answer» `pm(3HAT(i)+4hat(J))//5` By TAKING option (a) `pm((3hat(i)+4hat(j)))/(5).(4hat(i)-3hat(j)+hat(k))=(1)/(5)(12-12)=0` Hence, the vector given in option 'a' is the required vector. |
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