Solution - Simplification or other simple results

Step  1  :

 1.1     49 = 72

(49)¹ = (7²)¹ = 7²

Equation at the end of step  1  :

Step  2  :

            72
 Simplify   ——
            2 

Final result :

  49            
  —— = 24.50000 
  2