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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