Determine the unit vector in the direction from to .

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Determine the unit vector in the direction from A(−1,2,0)A(-1,2,0) to B(2,6,4)B(2,6,4). (a) 3i^+4j^+4k^41\dfrac{3\hat{i}+4\hat{j}+4\hat{k}}{41} (b) 3i^+4j^+4k^41\dfrac{3\hat{i}+4\hat{j}+4\hat{k}}{\sqrt{41}} (c) −3i^−4j^−4k^41\dfrac{-3\hat{i}-4\hat{j}-4\hat{k}}{\sqrt{41}} (d) 4i^+3j^+4k^41\dfrac{4\hat{i}+3\hat{j}+4\hat{k}}{\sqrt{41}}

Related theory

Browse the problem library