If P = 3i - 4j + 2k and Q = 2i + 5j - k, find -(P × Q):
University of Ilorin MTH103 2025 past question
- 6i - 7j - 23k
- -6i + 7j + 23k
- 6i + 7j - 23k
- -6i - 7j - 23k
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