On Q an operation * is defined by a*b =ab/6 find the inverse of 9 *
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Answered by
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Answer:
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Answered by
1
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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