brianluong00 brianluong00

23-11-2017
Mathematics

contestada

If two vectors are perpendicular, then their dot product must be zero.

Please select the best answer from the choices provided

T
F

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chi3fcomm5nd chi3fcomm5nd

23-11-2017

true since the dot product is defined as a.b=abcos(x)
since they are perpendicular x=90 cos(90)=0
hence a.b=0

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