Question

Write a unit vector parallel to the unit vector 3i^ + 7j^ +4k^

Answer 1

Answer:

(3i^ + 7j^ +4k^ )/√74

Explanation:

A^|A|= A

A^ = A/|A|

now |A| = √(3^2+7^2+4^2) = √74

hence A^ = (3i^ + 7j^ +4k^ )/√74

Answer 2

Answer:

Explanation:

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