gunterofwewels gunterofwewels

12-10-2018
Mathematics

contestada

50 Points

Find the specified vector or scalar. Show your work.

u = -4i + 1j and v = 4i + 1j; Find |u+v|.

Respuesta :

jimrgrant1 jimrgrant1

12-10-2018

| u + v | = 2

u + v = - 4i + 1j + 4i + 1j = 2j

the magnitude of a vector ai + bj is

| ai + bj | = √(a² + b² )

for u + v = 0 + 2j

| u + v | = √(0² + 2² ) = √4 = 2

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