.

Solution:p=2i^-4j^+7k^;q=3i^-2j^+2k^p×q=i^j^k^2-473-22=i^(-8-(-14))-j^(4-21)+k^(-4-(-12))=6i^+17j^+8k^p×q=6i^+17j^+8k^=62+172+82=389=19.72

  • 0
What are you looking for?