Which vector is orthogonal (perpendicular) to ?
Answer and explanation
Correct answer: C.
- Step 1: Two vectors are orthogonal if their dot product is zero.
- Step 2: Test : . This confirms orthogonality.
- Step 3: In contrast, is parallel: .
Answer
.
Why not the others: '' is parallel in the same direction; '' gives dot product ; '' gives .
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