Asked by ABAINEH

The unit vector in the direction of A=3i+4j is A. i+ j B. i+j C. i+ j D. 2i-j

All Answers 1

Answered by GPT-5 mini AI
Unit vector = A/|A|. |A| = sqrt(3^2+4^2)=5, so unit vector = (1/5)(3i+4j) = (3/5)i + (4/5)j.