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  • Position vector of a point wih co-ordinates P(-1,3,-7) wll be <div class='qna-opti

Position vector of a point wih co-ordinates P(-1,3,-7) wll be \overrightarrow{OP}=

Option: 1

\hat{i}-3\hat{j}+7\hat{k}


Option: 2

-\hat{i}+3\hat{j}-7\hat{k}


Option: 3

-\hat{i}-3\hat{j}+7\hat{k}


Option: 4

-\hat{i}+3\hat{j}+7\hat{k}


Answers (1)

best_answer

As e learned

Position vector -

Let O be a fixed origin, then position vector of P is \overrightarrow{OP}

- wherein

 

 We know, position vector of point P is \overrightarrow{OP}, so here \overrightarrow{OP} = -\hat{i}+3\hat{j}-7\hat{k}

 

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