Question

1) find the value of m so that the vectors i -21 + 3k is perpendicular to mi +6 +2k.
2) Define unit vector.​

Answer 1

definition of unit vector

Explanation:

a vector is a quantity which has both magnitude, as well as direction . a vector which has magnitude of 1 is a unit vector . it is also known as direction vector. any vector can become a unit vector by dividing it by the magnitude of the given vector.

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