Question

On Q an operation * is defined by a*b =ab/6 find the inverse of 9 *

Answer 1

Answer:

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Answer 2

Answer:

The inverse of 9 is 2/3

Step-by-step explanation:

Clearly 6 is the identity element

Let a be the inverse of 9

Then

a*9 = 1

9a/6 = 1

a = 6/9 =2/3

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