In the set \Q^{+} of all positive rational numbers, the operation * is defined by the formula a*b={ab}/6 . Then, the inverse of 9 with respect to * is

Manipal Entrance Test 2017 Math Paper

Question : 3 of 70

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In the set Q+ of all positive rational numbers, the operation * is defined by the formula a*b=

. Then, the inverse of 9 with respect to * is

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