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If log6a+log6b+log6c=6,where a,b,c, inN ...

If `log_6a+log_6b+log_6c=6`,where a,b,c, `in`N and a,b,c are in GP and b-a is a square of an integer, then the value of a+b-c is

A

21

B

15

C

9

D

3

Text Solution

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The correct Answer is:
B
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