1.

Find the magnitude of vector A=3i+2j-6k and a unit vector in the direction of A​

Answer»

ANSWER:

magnitude = 7

unit vector = 3/7 i + 2/7 J - 6/7 K

Explanation:

magnitude = sqrt(3^2 + 2^2 + 6^2) = sqrt(9+4+36)

= sqrt (49) = 7

unit vector = vector / magnitude = 3/7 i + 2/7 j - 6/7 k



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