Find the position vector of a point R which divides the line joining two points P and Q whose position vectors are i^+2j^−k^and −i^+j^+k^respectively, in the ratio 2 : 1(i) internally (ii) externally

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Find the position vector of a point R which divides the line j

Question

Find the position vector of a point R which divides the line joining two points P and Q whose position vectors are $\hat{i} + 2 \hat{j} - \hat{k}$ and $- \hat{i} + \hat{j} + \hat{k}$ respectively, in the ratio 2 : 1(i) internally (ii) externally

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Amelia Discussed

Find the position vector of a point R which divides the line joining two points P and Q whose position vectors are

\hat{i} + 2 \hat{j} - \hat{k}

and

- \hat{i} + \hat{j} + \hat{k}

respectively, in the ratio 2 : 1(i) internally (ii) externally

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Question Text

Find the position vector of a point R which divides the line joining two points P and Q whose position vectors are

\hat{i} + 2 \hat{j} - \hat{k}

and

- \hat{i} + \hat{j} + \hat{k}

respectively, in the ratio 2 : 1(i) internally (ii) externally