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.
The answer is 9a+5. All you have to do is combine like terms:)
D have neither a cat nor a dog
Answer:
Option A.
Step-by-step explanation:
According to triangle inequality theorem, a triangle exists if the sum of two sides is greater that third side.
Apply this theorem on each combination.
Case I:
...(1)
Case II:
...(2)
Case III:
...(3)
On combining (1), (2) and (3), we get
Therefore, the correct option is A.