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  4. In the group 1, 2, 3, 4, 5, 6 under multiplication mod 7, 2-1 × 4 =

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Q. In the group $\{1, 2, 3, 4, 5, 6\}$ under multiplication mod $7, 2^{-1} \times 4 =$

COMEDKCOMEDK 2009Relations and Functions - Part 2

Solution:

Correct answer is (c) 2