First I marked this as ABCD triangle for the easy access.
Then ABC triangle was considered and according to the pythagorus relationship X was found.
Then according to the ACD triangle, and ABD triangles the following equations were taken.
According to the 3rd photo the answer is taken
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 .
Left hand side is equal to the right hand sides, therefore option 1 is correct.