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If a , b , c are consecutive positive in...

If `a , b , c` are consecutive positive integers and `log(1+a c)=2K ,` then the value of `K` is

A

`logb`

B

`loga`

C

2

D

1

Text Solution

Verified by Experts

a=m
b=m+1
c=m+2
`log(1+ac)=2k`
LHS
`=log(1+ac)`
`=log(1+m(m+2))`
`=log(1+m^2+2m)`
...
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