find A×B, A×A, B×A. A={2,-2,3}and B={1,-4}
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Answer:-
Given A={2,-2,3}
B={1,-4}
Now,
A× B = {2,-2,3} × {1,-4} = {2,1} ,{2,-4},{-2,1},{-2,-4}, {3,1}, { 3,-4} ...
B ×A= {1,-4}×{2,-2,3} ={ 1,2}, {1,-2},{1,3},{-4,2},{-4,-2},{-4,3}
A×A = {2,-2,3} ×{2,-2,3} = {2,2},{2-2},{2,3},{-2,2},{-2,-2} , {-2,3} ,{3,2},{3, -2}, {3,3}...
mari2001:
please full sum detalis
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