In which of the following cases, given * is a Binary operation on the

1.	In which of the following cases, given * is a Binary operation on the set S?(A) S={1,2,3,6,18}, ab=ab(B) S= {1,-2,3,2,-4}, ab=\|b\|(C) S=Z,ab=a+b²(P) S=N ,ab=a-b
Answer» ANSWER: hard Step-by-step EXPLANATION: but not IMPOSSIBLE BEST of LUCK

In which of the following cases, given * is a Binary operation on the set S?(A) S={1,2,3,6,18}, ab=ab(B) S= {1,-2,3,2,-4}, ab=|b|(C) S=Z,ab=a+b²(P) S=N ,ab=a-b

Answer»

ANSWER:

hard

Step-by-step EXPLANATION:

but not IMPOSSIBLE

BEST of LUCK

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In which of the following cases, given * is a Binary operation on the set S?(A) S={1,2,3,6,18}, a*b=ab(B) S= {1,-2,3,2,-4}, a*b=|b|(C) S=Z,a*b=a+b²(P) S=N ,a*b=a-b​

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In which of the following cases, given * is a Binary operation on the set S?(A) S={1,2,3,6,18}, ab=ab(B) S= {1,-2,3,2,-4}, ab=|b|(C) S=Z,ab=a+b²(P) S=N ,ab=a-b