A={2,-2,3} and B={1,-4} ,now find A×B and A×A
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Answered by
3
Step-by-step explanation:
A×B mean the elements belong to A but not B
A×B = {2,-2,3}×{1,-4}
A×B={2,-2,3}
A×A=0
hope this may help u
Answered by
1
Answer:
a*b =(2*3*1*-2*-4) =48
a*a=144
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