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MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra
Problem Find the unit vector in the direction of the vector joining the points P ( 2 , − 1 , 3 ) P(2,-1,3) P ( 2 , − 1 , 3 ) Q ( 4 , 2 , − 1 ) Q(4,2,-1) Q ( 4 , 2 , − 1 ) 2 i ^ + 3 j ^ + 4 k ^ 29 \dfrac{2\hat{i}+3\hat{j}+4\hat{k}}{\sqrt{29}} 29 2 i ^ + 3 j ^ + 4 k ^ − 2 i ^ − 3 j ^ + 4 k ^ 29 \dfrac{-2\hat{i}-3\hat{j}+4\hat{k}}{\sqrt{29}} 29 − 2 i ^ − 3 j ^ + 4 k ^ 2 i ^ + 3 j ^ − 4 k ^ 29 \dfrac{2\hat{i}+3\hat{j}-4\hat{k}}{\sqrt{29}} 29 2 i ^ + 3 j ^ − 4 k ^ 2 i ^ + 3 j ^ − 4 k ^ 29 \dfrac{2\hat{i}+3\hat{j}-4\hat{k}}{29} 29 2 i ^ + 3 j ^ − 4 k ^ Browse the problem library