Question

determine a× b,given a=2i+3j & b=3i+5j​

Answer 1

Answer:

a=2i+3j

b=3i+5j

a×b:-

=(2i+3j) (3i+5j)

=6i²+10ij+9ij+15j²

=6i²+19ij+15j²

Your answer=6i²+19ij+15j²

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