# MTH103 TMA4 Questions and Solutions : Find the vector product $a\times b$. If a = i + 2j – k and b = 2i + 3j + k

Find the vector product $a\times b$. If a = i + 2j – k and b = 2i + 3j + k
a) 5i – 3j – k
b) 2i – 4j – k
c) 3i + j – k
d) I – j + 3k

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