Katsuo M. answered 03/13/21
Tutor
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(28)
Experienced Engineer Tutoring Algebra & Geometry
The component form of vector v is
<2 - 5/2, 2/5 - (-1)> or <-1/2, 7/5>
and the magnitude is
√((-1/2)2+(7/5)2) = (√221)/10