If A={4,5,6} and B={7,8}, find:(i) AXB(ii) BXA .(iii) Show that AXB � – InterviewSolution

1.

If A={4,5,6} and B={7,8}, find:(i) AXB(ii) BXA .(iii) Show that AXB ≠ BXA(iv) Draw arrow diagrams of AXB and BXA

Answer»

A*B=(4,5,6)*(7,8)

=7*4+7*5+7*6+8*4+8*5+8*6

=28+35+42+32+40+48

=225

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