Q. 15.0( 3 Votes )

Verify the proper

Answer :

(i) We have,

x * y = * ()


=


y * x = * ()


=


(ii) We have,


x * y = * ()


=


y * x = * ()


=


(iii) We have,


x * y = 2 * ()


= =


y * x = * 2


= =


(iv) We have,


x * y = 0 * ()


= 0


y * x = * 0


= 0


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