Answer:
Solving the equation 
 by putting a=6, b=4 and d=1/2 we get
 by putting a=6, b=4 and d=1/2 we get 

Explanation:
We are given formula: 

and values a=6, b=4 and d=1/2
We need to put the values of a, b and d in the given equation 
 and find their result
 and find their result
Putting values in the equation:

So, solving the equation 
 by putting a=6, b=4 and d=1/2 we get
 by putting a=6, b=4 and d=1/2 we get 
