1.

The position vectors of two points P and Q are hat(i)+2hat(j)-hat(k)" and "-hat(i)+hat(j)+hat(k) respectively. Find the position vector of a point R which divides the line bar(PQ) in the ratio 2 : 1 internally.

Answer»


ANSWER :`(-HAT(i)+4hat(J)+hat(K))/3`


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