Question: The function described by f (x) = ln(x2 + 1) e0.4x cos x has an infinite number of zeros. a. Determine, within 106, the

The function described by f (x) = ln(x2 + 1) − e0.4x cos πx has an infinite number of zeros.
a. Determine, within 10−6, the only negative zero.
b. Determine, within 10−6, the four smallest positive zeros.
c. Determine a reasonable initial approximation to find the nth smallest positive zero of f.
d. Use part (c) to determine, within 10−6, the 25th smallest positive zero of f.

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