Find the vector between 𝑂(−5, 2, 3) and 𝑃(3, 0, −4) in Cartesian form and calculate the magnitude of the vector.
Let OP be the vector between O(-5,2,3) and P(3,0,-4). Therefore,
OP=(3−−5)i⃗+(0−2)j⃗+(−4−3)k⃗=8i⃗−2j⃗−7k⃗(3 - -5) \vec{i}+(0 - 2)\vec{j}+(-4 - 3)\vec{k}=8\vec{i}-2\vec{j}-7\vec{k}(3−−5)i+(0−2)j+(−4−3)k=8i−2j−7k
Magnitude of OP is denoted by |OP|, where
|OP| = (8)2+(−2)2+(−7)2\sqrt{(8)^2+(-2)^2+(-7)^2}(8)2+(−2)2+(−7)2 = 117=10.8167\sqrt{117}=10.8167117=10.8167 units
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