Option D:  is the correct answer.
 is the correct answer.
Explanation:
The expression is 
Solving the expression, we have,

Now, we need to find an expression equivalent to 
Option A: 
Solving the expression, we have,

From the result, the expression  is not equivalent to
 is not equivalent to 
Option A is not the correct answer.
Option B: 
Solving the expression, we have,

From the result, the expression  is not equivalent to
 is not equivalent to 
Option B is not the correct answer.
Option C: 
Solving the expression, we have,

From the result, the expression  is not equivalent to
 is not equivalent to 
Option C is not the correct answer.
Option D: 
Solving the expression, we have,

From the result, the expression  is equivalent to
 is equivalent to 
Option D is not the correct answer.