Question

A unit vector in the direction of negative of the vector (-i-j+k) is​

Answer 1

Answer:

(i + j - k)/√3

Explanation:

Vector in opposite direction to (-i - j + k) is -ve of this vector.

  ⇒ - (-i - j + k)     ⇒ i + j - k

Magnitude of this vector is:

  ⇒ √1² + 1² + (-1)²

  ⇒ √3

∴ Unit vector = vector/magnitude

                      = (i + j - k)/√3

Required unit vector is  (i + j - k)/√3

Answer 2

Answer:

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