if p=3j-3j+k and Q = 2j+î+3k find |P×Q|
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Explanation:
P= 3j-3j+k
Q=2j+i+3k
Product= (3j-3j-k) (2j+i+3k)
k(2j+i+3k)
2jk+ik+2k² Ans.
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