If a circle has center (a,b) and radius r, the equation is

So, you have

Answer:
The correct option is 1.
Step-by-step explanation:
The given expression is

The value of a is 1 and the value of b is 1.
According to the logarithm property,

Using this property, we get

The required expression is
.

![[\because log_aa=1]](https://tex.z-dn.net/?f=%5B%5Cbecause%20log_aa%3D1%5D)
Left hand side is equal to the right hand sides, therefore option 1 is correct.
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