
(2 points) The dot product of two vectors T1 T2 y2 and y- Tn in Rn is defined by z . у zıyı + z2U2 + . . . + Znyn The vectors z and y are called perpendicular if,
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(2 points) The dot product of two vectors T1 T2 y2 and y- Tn in Rn is defined by z . у zıyı + z2U2 + . . . + Znyn The vectors z and y are called perpendicular if,
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