The “divide and average” method, an old-time method for approximating the square root of any positive number a, can be f

[correctanswer]

The “divide and average” method, an old-time method for
approximating the square root of any positive number a, can be
formulated as x=x+a/x2 Using M-file, evaluate the following data: a
= 0, 7.21, and -16.52 for ε = 1 × 10–4. (Round the final answers to
four decimal places.) The square root of a = 0 and ε = 1 × 10–4 is
+ i. The square root of a = 7.21 and ε = 1 × 10–4 is + i. The
square root of a = -16.52 and ε = 1 × 10–4 is + i.