Find the third iteration value of an extremum (maximum/minimum value) of the image, if a = 5, b = 0.5, and c = 5 using Newton's Method with an initial guess value of x = 1. Round off the final answer...

Find the third iteration value of an extremum (maximum/minimum value) of the image,

if a = 5, b = 0.5, and c = 5 using Newton's Method with an initial guess value of x = 1.

Round off the final answer to five decimal places but do not round off on previous calculations.