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x#y={{:(x+2y,if,|x+y|" is even"),(2x" @2 "y,if,|x+y|" is odd"):} x"@"y={{:(3x-y,if,|x+y|" is even"),(2x#2y" ,if",|x+y|" is odd"):} Whichof the following is true? (i) If q=2p and p+q is even, then p#q=q#p (ii) If q=3p, p"@"q will always be zero (iii) If q=2p and p is odd, then p"@"q will even

Answer»

(II) only
(III) only
(i) ABD (iii) only
(ii) and (iii) only

Answer :D


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