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What is î × ĵ?

A-k̂
B0
Cî
Dk̂
Answer & Solution
Correct answer: D. k̂
**Standard basis:** î × ĵ = k̂, ĵ × k̂ = î, k̂ × î = ĵ. Cyclic order (anticlockwise) gives positive reverse order gives negative.
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